Which monomial is a perfect cube? a. 1x^10 b. 8x^8 c. 9x^9 d. 27x^15

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coop?

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3