Decide which variable to isolate. Then substitute for this variable, and solve the system. y = x - 5, x + y = 9

Which value of y will make the inequality y< -1 false?

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase