The sales tax on a 750$ computer is 48.75. what is the sales tax rate?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

What is the point slope form of a line with slope -5 that contains point (2,-1)

Jane is cooking beans and rice for dinner tonight. she has 4 cans of black beans, 6 cans of red beans, and 3 cans of garbanzo beans in her cupboard. if she grabs a can of beans without looking at the label, what is the probability of her making black beans and rice for dinner?