What is the value of f(x) = 2 • 2 x for f(–2)?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

An ice cream shop sells 5 times as many cakes cones as waffle cones. use x to represent the number of waflle cones the ice cream shop sells and use the variable to write an expresion for the number of cake cones the ice cream shop sells. enter the expression for the number of cake cones the the ice cream shop sells