In the figure x: y=2: 3 and y: z=3: 5 if x=10 find the value of z a.15 b.20 c.25 d.30

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Do you mind if you guys me with this question i’m on number 8

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288