Mari is adding (-7) and (-2). She adds their absolute values and says the answer is 9. What did Mari forget?
A
that is neither positive nor negative
B
to move left on the number line
С
to keep the sign of the larger integer
D
to keep the sign of the two integers being added

ari is adding (-7) and (-2). She adds their absolute values and says the answer is 9.

What did Mari forget?

A

that is neither positive nor negative

B

to move left on the number line

С

to keep the sign of the larger integer

D

to keep the sign of the two integers being adde

Step-by-step explanation:

between 13 and 19 comes 16

after 19 comes 22

Step-by-step explanation:

they are all added by 3

1+3=4

4+3=7

7+3=10

10+3=13

13+3=16

16+3=19

and

19+3=22