Solve the problem.An airplane is sighted at the same time by two ground observers who are 2 miles apart and both directly west of the airplane. They report the angles of elevation as 10° and 
How high is the airplane?
A. 1.35 mi
B. 0.75 mi
C. 0.63 mi
D. 0.35 mi
Answer: C
Mathematics
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Solve the problem.The area of a circle with radius r is given by the function A(r) = ?r2. Find the area of the base of a circular storage tank if the radius is 5 feet long. Use ? ? 3.14.
A. 78.5 square feet B. 15.7 square feet C. 31.4 square feet D. 75 square feet
Mathematics
Solve the equation symbolically.1.5y - 3.9 = 0.8y - 1.73
A. 3.1 B. -0.323 C. 2.79 D. 3
Mathematics
Divide using synthetic division.
A. 
B. x + 10
C. x + 9 + 
D. x + 9 - 
Mathematics
Choose the equation that matches the rational function graphed.
A. f(x) = 
B. f(x) = 
C. f(x) = 
D. f(x) = 
Mathematics