Work out the surface area of this sphere?

84.9

Step-by-step explanation:

R²=2.6x2.6

   =6.76

6.76xπ=21.2264

21.2264x4=84.9056

Rounded to 84.9

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