Your new cake recipe is for an 8-inch-by-8-inch square pan. you have a round pan you can use if it has the same area as the square pan. what should be the diameter of the round pan? use 3.14 to approximate pi. round your answer to the nearest tenth.

9.0 inches

Step-by-step explanation:

Area of square pan should be equal to area of circle pan

Area of square is 8 * 8 = 64

Area of Circle is

Using 3.14 as   and given that area must be 64, we solve for 4:

We know diameter is twice of radius, so diameter is  

Hence, diameter should be 9.0 inches (rounded to nearest tenth)

a.

step-by-step explanation:

step 1 distribute 2 to every term in the parentheses

step 2 add 10 on both sides of the equal sign