Step-by-step explanation:
3, -12,7should be the correct answers
Answer:
The width is 
Step-by-step explanation:
The perimeter of the rectangular yoga mat can be found using the formula;
.
.
It was given that the width of the mat is eight less than half the length.

We put equation (2) into equation (1) to get;
.
.
.

Divide both sides by 3;

We put
into equation 2 to get;



Answer:
5
Step-by-step explanation:
5/25 = 1/5
5 is 1/5 of 25
i really thinks its 6.9*10 to the power of 2