1. Adding and Subtracting Signed Numbers

Perform the indicated operation. 13 - (4).

17

Perform the indicated operation. 15 - 12

3

Evaluate z + z + z for x = 2, y = -3, z = -4.

-12

Perform the indicated operation. -8 + (-4)

-12

Perform the indicated operation. -5/4 + (-7/9).

-2 1/36

Perform the indicated operation. (-18) - (4).

-22

Perform the indicated operation. 2 1/6 - 5 2/3.

-3 1/2

Perform the indicated operation. (-20) - (10).

-30

Perform the indicated operation. -6 + (-5) + 7

-4

Evaluate x + y + z for x = 2, y = -3, z = -4.

-5

Perform the indicated operation. (-25) - (25).

-50

Perform the indicated operation. -6 + 6

0

Perform the indicated operation. 17 + (-5)

12

Perform the indicated operation. 7 + 9 + (-4)

12

Integers are a subset of Rational Numbers.

True

Perform the indicated operation. -10 + 15

5

my score

I got a 93.8 on this