If two lines intersect at right angles, then the two lines are perpendicular.

When ∆rst is translated 4 units down, what are the apparent coordinates of t’? give 15 points

What is the ratio of the change in y-values to the change in x-values for this function? a) 1: 13 b) 2: 5 c) 5: 2 d) 13: 1

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?