Solve the inequality.64 - x2 ? 0
A. x ? -32 or x ? 32
B. -8 ? x ? 8
C. x ? -8 or x ? 8
D. x ? 8
Answer: B
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Identify the triangle PQR as an isosceles (two sides of equal length), equilateral (three sides of equal length), or scalene (three sides of different lengths) triangle.P(13, -13), Q(-13, 13), R(-13
, -13
)
A. Scalene B. Right C. Isosceles D. Equilateral
Write the answer to the problem as an algebraic expression.A water tank holds g gallons. Since there are 4 quarts per gallon, how many quarts does the tank hold?
A. 
quarts
B. g + 4 quarts
C. 4g quarts
D. 
quarts
Multiply.(x + 4)(x2 - x + 8)
A. x3 + 3x2 + 32 B. x3 + 3x2 + 4x + 32 C. x3 + 32 D. x3 + 5x2 + 12x + 32
Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest tenth,if necessary.A certain marine engine has cylinders that are 4.41 in. in diameter and 5.96 in. deep. Find the total volume of 6 cylinders.
A. 91.0 in.3 B. 1091.9 in.3 C. 545.9 in.3 D. 990.4 in.3