3.4-2.8d+2.8d-1.33.4−2.8d+2.8d−1.3 ? The 2.8d's cancel each other out, but what about the 3.4 and 1.3? Would you combine them (3.4 - 1.3) bc they r like terms or would it be 2.1 or 2.1 +d?

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*