Solve (−5) • (−3). (1 point)

a
−15

b
−8

c
8

d
15

Which of the following statements is not true? a. parallel lines are lines in the same plane that never intersect. b. congruent figures have the same shape and same size angles and sides. c. similar figures must have the same shape and the same size. d. a rotation is when you turn a figure around a certain point.

Abacteria population is tripling every hour. by what factor does the population change in 1/2 hour? select all that apply

Out of $20$ creepy-crawly creatures in a room, $80\%$ are flies and $20\%$ are spiders. if $s\%$ of the total legs belong to spiders, what is $s$?