Find 5 × (–9).

A.45

B.–40

C.–4

D.–45

Find –1 × (–6).

A.–7

B.6

C.5

D.–6

The temperature fell three degrees per hour for five hours. What was the total change in temperature?

A.–15

B.8

C.15

D.–8

Find –7 × (–11).

A.–77

B.4

C.–18

D.77

The vertices of a rectangle are given in the columns of the matrix . if is found to perform a transformation, what are the coordinates of the transformed rectangle? (0, 0), (0, –3), (–3, –3), (–3, 0) (0, 0), (0, 3), (3, 3), (3, 0) (0, 0), (0, 3), (–3, –3), (–3, 0) (0, 0), (0, 3), (–3, 3), (–3, 0)

What is the total surface area of this square pyramid?

Compare the following pair of numbers a and b in three ways. a. find the ratio of a to b. b. find the ratio of b to a. c. complete the sentence: a is percent of b. a=120 and b=340 a. the ratio of a to b is . b. the ratio of b to a is . c. a is nothing percent of b.