Which graph represents the solution set of y=x^2-4 and x+y+2=0

What power can you write to represent the volume of the cube shown? write the power as an expression with a base and an exponent and then find the volume of the cube

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

To convert celsius temperatures to fahrenheit, you can use the expression (c + 32). tom says that another way to write this expression is c + 32. what error did tom make?