Solve the problem. If necessary, round to the nearest tenth.On a sunny day, a building and its shadow form the sides of a right triangle. If the hypotenuse is 37 m long and the shadow is 31 m, how tall is the building?
A. 30.4 m
B. 48.3 m
C. 20.2 m
D. 6.0 m
Answer: C
Mathematics
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Solve.log2(x + 4) + log2(x - 2) = 4
A. 5 B. -6 C. 4, -6 D. 4
Mathematics
Find the ratio of net income after taxes to average owner's equity. Round to the nearest tenth of a percent.Owner's equity at beginning of year: $1,748,000. Owner's equity at end of year: $2,122,000. Net income after taxes: $447,500.
A. 21.1% B. 25.6% C. 25.7% D. 23.1%
Mathematics
Rewrite the expression as a single trigonometric function using a double-angle identity.cos24? - sin24?
A. 2 sin 4?
B. cos 8?
C. 
sin 16?
D. cos 4?
Mathematics
Determine whether the sequence is arithmetic.an = 2 - 
A. Arithmetic B. Not arithmetic
Mathematics