If g(x)=x²-2 and p(x)=2x+3, find (g·p)(x)

Which choice represents the sample space ,s for this event

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab