Lesson 14 Practice Quiz B

Simplify the expression 3.5(1.6 + 4.6 - 8.5) - 9.75 by filling in the blanks

3.5(​ (a)   ) - 9.75

​ (b)   - 9.75

​ (c)  

• -2.3
• -8.05
• -17.8
• -3.9
• 2.3
• -13.65
• 8.05
• -23.4
• -1.7
• 1.7

A submarine starts at the ocean's surface and then descends at a speed of 24.75 feet per minute for 11 minutes. The submarine stays at that position for one hour and then rises 65.75 ft.

What is the current location of the submarine relative to the surface of the ocean?

• -206.5 ft

• -272.25 ft

• -338.0 ft

• -385.25 ft

• True
• False

• True
• False

• True
• False

• True
• False

The distances the ball is moved in four plays in a football game are -2.6 yd, 10.4 yd, -6.7 yd, and -3.5 yd.

What is the mean change in the position of the football for these four plays?

• 5.8 yd

• 0.7 yd

• -0.6 yd

• -2.4 yd