When the new computer lab opened, there were 18 computers. by the end of first week, there were 25
computers. find the percent of change in the number of computers? round your answer to the nearest tenth, if
necessary
-38.9%
72%
38.9%
33.3%

d. vertex

step-by-step explanation:

step-by-step explanation:

b) k’(6, 4); l’(3, 3)

step-by-step explanation:

a 270° clockwise rotation maps every point (x, y) to (y, -x). (it negates the x-coordinate and then switches it and the y-coordinate.)

this means the endpoints of the side congruent to kl, k' and l', would be mapped as:

k'(-4, 6)→(6, 4)

l'(-3, 3)→(3, 3)