How many solutions does the system o equations have? y = 5x + 7 and 3y - 15x = 18

The box plot shows the number of raisins found in sample boxes from brand c and from brand d. each box weighs the same. what could you infer by comparing the range of the data for each brand? a) a box of raisins from either brand has about 28 raisins. b) the number of raisins in boxes from brand c varies more than boxes from brand d. c) the number of raisins in boxes from brand d varies more than boxes from brand c. d) the number of raisins in boxes from either brand varies about the same.

Can anyone me with 32,33,36,37,and 40.

Which is a graph of a proportional relationship?