Answer:
D
Step-by-step explanation:
Every fraction is a rational number
Remember: Though this is true, not every rational number has to be a fraction
Answer:

Step-by-step explanation:
Given


<em>Midpoint: Q</em>
Required
Determine R
Since Q is the midpoint, then

Substitute values for P and Q

Multiply both sides by 2

Add 5 to both sides



Answer:
27 is the value of x.sorry it is hard to described without name
Answer:
<h3>-90</h3>
Step-by-step explanation:
To use the order of operations stands for (Parenthesis, Exponents, Multiply, Divide, Add, and Subtract) left to right.
Please Excuse My Dear Aunt Sally!
BOMDAS- (Brackets, Of, Multiply, Divide, Add, and Subtract) from left to right.
First, do parenthesis.
(3-21)=-18
-18(3+2)
Add.
3+2=5
-18*5
Multiply.
-18*5=-90
-90
So, the final answer is -90.