A package of floor tiles contains 21 one-foot-square tiles. Find how many packages should be bought to cover a square ballroom floor whose side measures 58 feet. Note: Partial packages cannot be bought. packages should be bought to cover the floor.

side side side

side angle angle

angle side angle

side angle side

step-by-step explanation:

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

2

step-by-step explanation:

assuming this is from a math graphing problem.

7 would be on the x-axis which is the horizontal line on the graph

84 would be on the y-axis which is the vertical line on the graph