Please help, Answers to any of these questions??

13) began with 34

Step-by-step explanation:

20 cards replaced and now have 37

37-20=17

17 is half of the baseball cards

17x2= 34 which is what you began with

let y equal to

the total fare and x is the mile of taxi ride. so the equation is

y = 0.55x + 1.75

since susie has

$10 to spend for a taxi cab, so he can have

10 = 0.55x +

1.75

x = 15 miles of

taxi ride

so the system of

inequality is

10 < 0.55x +

1.75

x > 2