A tablet computer costs $399. A person pays $433.91 in the store. What is the sales tax?

Its due ! write an equation in which the quadratic expression 2x^2-2x 12 equals 0. show the expression in factored form and explain what your solutions mean for the equation. show your work.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions.