Need help. Simplify.

a) -5(-6)

b) -9(2)

c) -16/-4

d) 21/-7

a. -30

b. -18

c. 4

d. -3

Step-by-step explanation:

it's 100% right

see below

Step-by-step explanation:

a) -5(-6)  Negative times negative is positive = 30

b) -9(2)  negative times positive is negative = -18

c) -16/-4  negative divided by negative is positive = 4

d) 21/-7 positive divided by negative is negative -3

i'm pretty sure it's 477,585,296, but perhaps my math is incorrect.

answer: i can’t tell you that

step-by-step explanation: