He calculated the area to be 13 square feet. the actual area is 11.8 square feet. what is ross's percentage error

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

For each sentence below, find the value of x that makes each sentence true. (515) 5 = 25* x= (813)2 = 4* x=