Selena gomez has a new cd coming out next fall. she will spend $4.23 hours in the studio recording for a total of 84 days. how many hours will she spend recording total?

How do i do this activity, is appreciated

What is the name of a polygon that has four congruent sides and theses angle measures 60,120,60,120?

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?