Solve the problem.Let angle POQ be designated ?. Angles PQR and VRQ are right angles. If ? = 50°, find the length of US accurate to four decimal places. 
A. 1.5557
B. 0.7660
C. 1.1918
D. 0.8391
Answer: D
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Using the Rule of 78, find the amount of unearned interest for the loan paid in full before the date of maturity. Round to the nearest cent.Finance charge: $9,325Total number of payments: 61Remaining number of payments, when paid in full: 35
A. $3,210.25 B. $3,106.69 C. $2,934.10 D. $3,031.90
Find the exact value of the trigonometric expression without the use of a calculator.
A. -
B. -2
C. - 
D. - 
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are:Between 14.3 and 16.1 seconds
A. 47.5% B. 50% C. 68% D. 34%
Provide an appropriate response.An empirical formula relating the surface area A (in square inches) of an average human body to the weight w (in pounds) and the height h (in inches) of the person is A(w, h) = 15.64w0.425h0.725. Find 
and 
.
What will be an ideal response?