6G Math HW#15: Lesson 11.3

Solve

 $7-11$  

• -4

• 4

• -17

• 17

Solve

 $10-19$  

• 9

• -29

• 29

• -9

 $5-\left(-3\right)$  

• -2

• 2

• 8

• -8

 $27-\left(-11\right)$  

• 16

• -16

• -38

• 38

 $-2-\left(-7\right)$  

• 5

• -5

• -9

• 9

 $-15-\left(-19\right)$  

• -4

• 4

• 24

• -24

Evaluate the expression.

 $a-b$  
when a= -7 and b=20

• -13

• 13

• -27

• 27

Evaluate the expression.

 $m-31$  
when m = 21

• -10

• 10

• -52

• 52

Steve An airplane takes off and then climbs 2500 feet. After 20 minutes, the airplane descends 150 feet. What is the airplane's current height?

• 2,350 ft

• 2,650 ft

• 50,000 ft

• 500 ft

The Tigers football team gained 7 yards, lost 8 yards, and then lost 7 more yards. What is the total result of these three plays?

• a gain of 8 yards

• a loss of 8 yards

• a gain of 22 yards

• a loss of 22 yards