Identify whether the expressions are equivalent or not equivalent: 7y – 15 + 2y and 9y - 15

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62