The sales tax for an item was $28.80 and it cost $360 before tax. Find the sales tax rate. Write your answer as a precentage

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?

Which number line shows a decimal equivalent to 2 1/4

Convert the polar representation of this complex number into its rectangular form: z=5(cos pi+i sin pi)