The function f(x) =-2x +70 can be used to determine how much money he hhas left over after x rides? What does f(17) represent

Each unit cost 14p, how much would 942 units cost?

What is being done to the variable in the equation 3 + g = -9? the number 3 is being added to it. the number 3 is being subtracted from it. the number -9 is being added to it. the number -9 is being subtracted from it.

Three lines meet at a point. set up and solve an equation to find the value of (a) is your answer reasonable? explain how you know