Can someone answer this I am kind stuck on math

4.) Crown pls ;)

A.)

P = 140

i = 0.05

B.)

140(1.05)^t

C.)

0 = 140

10 = 228.05

5.)

A.) The y-intercept is how much the cell phone cost to purchase.

B.) V means value, t meaning years was replaced by 4, and 31.25 is how much it's worth at that time.

C.) The graph is decreasing, and the value goes down with time.

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x