1. Which of the following expressions is NOT correct?
A 21 + 8 = 29
C. (-12) – (-15) = 3
B. (12) + (-7)= -5
D. (3) - (17) = -14
2. What is the product of 12 x -5 x 3?
A. 160
B. -160
C. 180
D.-180
3. Evaluate the expression (-72 ) = (-8). What is the quotient?
A. 9
B. -9
C. 7
D. -7
4. A monkey sits on a limb that is 25 ft above the ground. He swings up 10 ft,
climbs up 6 ft more then jumps down 13 ft How far off the ground is the monkey now?
A 31 ft
B. 54 ft
C 28 ft
D. 25 ft
5. A dolphin dives from the surface of water at a rate of 4 feet per second.
Where will the dolphin be in relation to the water after 15 seconds?
A. 19 feet above the surface
B. 60 feet above the surface of water
C. -30 or 30 feet below the surface of water
D. -60 or 60 feet below the surface of water​