Melissa wants to buy a $25 hat. The sales tax in her state is 6.25%

How much will Melissa spend on the hat, including the tax?

Ten times the square of a non-zero number is eqaul to ninety times the number

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?