Add.
A. 55
B. 64
C. 46
D. 73
Answer: B
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Solve the equation. Give an exact solution.log (x - 9) = 1 - log x
A. 10 B. -1, 10 C. -10, 1 D. -10
Write as a percent.0.631
A. 0.0631% B. 0.631% C. 631% D. 63.1%
Solve the problem.Devon purchased tickets to an air show for 8 adults and 2 children. The total cost was 
. The cost of a child's ticket was 
less than the cost of an adult's ticket. Find the price of an adult's ticket and a child's ticket.
A. adult's ticket: $11; child's ticket: $4 B. adult's ticket: $14; child's ticket: $7 C. adult's ticket: $13; child's ticket: $6 D. adult's ticket: $12; child's ticket: $5
Find all solutions of the equation in the interval [0°, 360°). Round the answers to the nearest tenth of a degree.cot (? - 30°) = -5
A. 41.3°, 221.3° B. 198.7° C. 221.3° D. 41.3°