Solve. Use ? ? 3.14 when necessary.A 16-foot ladder is leaning against a house with the base of the ladder 3 feet from the house. How high up the house does the ladder reach? Round to the nearest tenth foot.
A. 13 feet
B. 15.7 feet
C. 16.3 feet
D. 16 feet
Answer: B
Mathematics
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Find the volume.a cube with side 5.5 ft
A. 16.5 ft3 B. 30.25 ft3 C. 166.375 ft3 D. 60.5 ft3
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Write out the first three terms and the last term of the arithmetic sequence.
A. -5 - 25 - 125 - . . . - 1875 B. -1 - 5 - 10 - . . . - 375 C. -5 - 10 - 15 - . . . - 375 D. -5 + 25 - 75 + . . . - 1875
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Decide whether the slope is positive, negative, zero, or undefined.
A. Positive B. Negative C. Zero D. Undefined
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Solve using the multiplication principle.-90 = -6n
A. 84 B. -84 C. -15 D. 15
Mathematics