If a laptop originally costs $800, the balance due after the 10% discount and $150 gift card is applied

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

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

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much