Max’s cell phone uses a three-digit pin to unlock it. How many different possible ways can he make a PIN number using the ten digits 0-9

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

Robert is placing sod in two square shaped areas of his backyard. one side of the first area is 7.5 feet. one side of the other area is 5.7 feet. the sod costs y dollars per square foot

Suppose you have 10 skittles. 5 green and 5 red. you choose 4 without looking. what is the probability that all 4 skittles will be green?