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Swimming and baseball are also some hard sports especially swimming since most are your muscles are used during that activity.

Hope this helps 😉

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Study Solutions

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Gymnastics and soccer since those sports are very active and involve a lot of physical cardio, soccer involves a lot of running.

Swimming and baseball are also some hard sports especially swimming since most are your muscles are used during that activity.

Hope this helps 😉

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**Answer:**

Part A: Coefficients: 85 and 15

Variables: x = shifts at the theater, y = dog-walking jobs

Part B: 2 terms, the first one represents how much he earns working in the theater and the second how much he earns dog-walking. Each term is separated with a sum or a subtract sign.

Part C: 15y

**Step-by-step explanation: **

Part A: The **variable** of an expression is the information we don’t know. In this case, we don’t know how many shifts he has at the theater and how many dog-walking jobs he has. That’s why **we have 2 variables**, x and y. The **coefficient** is the number that multiplies the variable. In this case, as we have 2 variables, **we have 2 coefficients**, 85 and 15.

Part B: In an expression, **every term is separated with a sum or a subtract sign**. In this case, we have just one sum, so the terms are the numbers and variables that appear before and after the sum sign. That’s 85x and 15y. The first one is the amount of money he earns for every shift at the theater multiply by how many shifts he has, so that’s **how much he earns in total at the theater**. The second one is the amount of money he earns for every dog-walking job multiply by how many he does, so that’s **how much he earns in total from the dog-walking jobs**.

Part C: As I said in Part B, the second term is the total earned from the dog-walking jobs, so **15y **represents it.

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**Answer:**

Two diseases caused by microorganism include –

a) Ebola hemorrhagic fever

b) Tuberculosis

**Explanation:**

Microbes are unicellular organisms. There are mainly five types microorganism that cause diseases. –

a) Virus

Example of a disease caused by Virus –

Ebola hemorrhagic fever caused by Ebolavirus and Filoviridae family

b) Bacteria

Example of a disease caused by bacteria –

Tuberculosis (TB) is a kind of respiratory disease caused by bacterium called Mycobacterium tuberculosis.

c) Fungi

Example of a disease caused by Fungi

Athlete’s foot is a fungal disease caused by Trichophyton

d) Protozoa

Example of a disease caused by Protozoa

Ameobiasis caused by Entamoeba histolytica

e) Worms

Example of a disease caused by worms

Infection in intestine is caused by Ascaris lumbricoides, Ancylostoma duodenale, etc.

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