Solve the problem.A reflecting telescope has a parabolic mirror for which the distance from the vertex to the focus is 26 feet. If the distance across the top of the mirror is 56 inches, how deep is the mirror in the center?
A. 
in.
B. 
in.
C. 
in.
D. 
in.
Answer: A
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Use Euler's method with the specified step size to approximate the solution.Use Euler's method with h = 0.1 to estimate y(0.5) if y' = 4x - y and y(0) = 2. Round your answer to five decimal places.
A. y(0.5) ? 1.58332 B. y(0.5) ? 1.54294 C. y(0.5) ? 1.57400 D. y(0.5) ? 1.44472
Construct the requested tree diagram.Clark is selecting new eyeglasses. He can choose styles A, B, or C in either the color black or orange. Construct a tree diagram that shows all possible choices that Clark can make.
A. 
B. 
C. 
D. 
Solve the problem. Round your answer to the nearest tenth of a percent, if necessary.325 is what percent of 1,970?
A. 0.0% B. 16.5% C. 0.2% D. 606.2%
Solve the inequality. Write the solution set in interval notation.
- 
? 
+ 3
A. 
B. 
C. 
D. 