Answer:
d. 87.92
Step-by-step explanation:
3.14*2*14=87.92
i know its right im positive
For these problems you have to use PEMDAS so for problem 15 you would do the parentheses first, (21-3) you get 18 and then exponents, 3^2, you get 9, no multiplication but there is division so take your answers, 18 and 9 and divide them, you get 2, so the answer to 15 is 2.
Answer:
The width of rectangle is
or 
Step-by-step explanation:
we know that
The perimeter of rectangle is equal to

where
L is the length of rectangle
W is the width of rectangle
we have

substitute

solve for x





simplify

<em>Find the width of rectangle</em>

substitute the value of x

Convert to mixed number

The answer is 5
2 translates to 10 after being multiplied by 5
1 translated to 5 after being multiplied by 5
Hope this helped :)