Simplify 7x + 2x + 5y - 2y
9x + 3y
12xy
9x + 7y

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3