A salesman worked on a weekly salary of $800. To this was added a commission of 5% on all sales over $500. If his sales for one week were $750, his total salary of the week was

Anumber cube is rolled and a coin is tossed. the number cube and the coin are fair. what is the probability that the number rolled is less than 4 and the coin toss is tails?

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

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry