**Answer:**

DOWN BELOW

**Step-by-step explanation:**

1)**5**

2)**9**

EXPLANATION FOR NUMBER 3

-21=0.07z

We move all terms to the left

-21-(0.07z)=0

We add all the numbers together, and all the variables

-(+0.07z)-21=0

We get rid of parentheses

-0.07z-21=0

We move all terms containing z to the left, all other terms to the right

-0.07z=21

**z=21/-0.07
**

**z=-299+0.07/0.07**

4)NEGATIVE 6 (I THINK)

Which of the following expressions are equivalent to

**I THINK IT IS NONE OF THE ABOVE**

**Answer:**

Math helps us have better problem-solving skills

Math helps us think analytically and have better reasoning abilities. Analytical thinking refers to the ability to think critically about the world around us. ... Analytical and reasoning skills are essential because they help us solve problems and look for solutions

**Step-by-step explanation:**

<h2>

**<u>129</u>****<u>.</u>****<u>4</u>**</h2>

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**<u>Explanation</u>****<u>:</u>**

- To round 129.392 to the nearest tenth consider the hundredths’ value of 129.392, which is 9 and equal or more than 5. Therefore, the tenths value of 129.392 increases by 1 to 4.

129.392 rounded to the nearest tenth = 129.4

**<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>****<u>=</u>**

**<u></u>**

The answer is C. 3^2 = x+5

The solution of the problem is: