What is the product of 5x + 3 and 8x2 – 2x + 5? A) 40x3 + 14x2 – 19x – 15 B) 40x3 + 14x2 – 31x – 15 C) 40x3 + 34x2 + 31x + 15 D) 40x3 + 14x2 + 19x + 15

49xy +34y - 72z. determine the degree of the polynomial

Mindy bought 5/8 pound of almonds and a 3/4 pound of walnuts. which pair of fraction cannot be used to find how many pounds of nuts she bought in all.

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.