Find the exact value.Given that tan ? = 
with ? in quadrant I, find cos 2?.
A. 
B. - 
C. - 
D. 
Answer: B
Mathematics
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John makes 35% of the total income in his company. If he makes $292,000 a year, how much is the total income in his company? Round to the nearest cent if appropriate. ?
A. ?$834,285.71 B. ?$843,285.71 C. ?$102,200 D. ?$394,200 E. ?$1,668,571.42
Mathematics
Write 0.0023 in scientific notation.
A. 2.3 × 10-3 B. 23 × 10 C. 2.3 × 103 D. 0.23 × 10-2
Mathematics
Provide an appropriate response.The desired housing or front-end ratio should not exceed:
A. 80% B. 100% C. 36% D. 28%
Mathematics
Determine where the given function is concave up and where it is concave down. f(x) = (x - 2)1/3 - 7
A. Concave down on (-?, 2) and (2, ?) B. Concave down on (-?, 2), concave up on (2, ?) C. Concave up on (-?, 2), concave down on (2, ?) D. Concave up on (-?, ?)
Mathematics