When students are given a list of 7 rock songs and 5 country songs and must pick one rock song and 1 country song how many different song combinations can each student pick

Simplify the expression 10/11(22z) + (a+5) -1

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.