Courtney earned an 86, 92, 95, and 89 on her first four math tests. there is one more test to take what will she need to earn on the fifth test in order to get at least a 90 in the course?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

How to simply and write the answer n a whole number

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)