Grade 7 Final Exam Review #1

18 - 2c = 6

• -6
• 6
• -12
• 12

Evaluate:
-√324 + 7.2

• 10.8
• 25.2
• -10.8
• -25.2

Simplify:
5∛-125 + 4

• -29
• 29
• 21
• -21

Find the volume of a sphere with a radius of 8 inches rounded to the nearest tenth.

• 2144.6
• 2144
• 2143.7
• 2143.6

A ladder is placed against the side of a house.  The top of the ladder is 15 feet above the ground.  The base of the ladder is 8 feet away from the house.  Find the length of the ladder.

• 18 feet
• 19 feet
• 17 feet
• not enough information

Find the volume of a cone with a radius of 5 cm and a height of 12 cm.  

• 314 cm²
• 942 cm²
• 942 cm³
• 314 cm³

A farmer builds a fence to enclose a rectangular pasture. He uses 160 feet of fence. Find the total area of the pasture if it is 50 feet long.

• 8000 sq. feet
• 60 sq, feet
• 1500 sq. feet
• not enough information

Write the inequality:
2 less than a number x is at most 9.

• n - 2 ≤ 9
• 2 - n ≥ 9
• n - 2 ≥ 9
• 2 - n ≤ 9

Solve the inequality:
-6y < -24

• y < 4
• y < -4
• y > 4
• y > -4

Find the volume of a cylinder with a radius of 8 mm and a height of 11 mm.  Round your answer to the nearest tenth.

• 2210.6 mm²
• 2210.7 mm²
• 2210.7 mm³
• 2210.6  mm³