Simplify.
A. 52
B. 10
C. 28
D. 16
Answer: D
Mathematics
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Simplify the rational expression. Assume that no variable has a value which results in a denominator with a value of zero.
A. 
B. 
C. 
D. 
Mathematics
Subtract.
A. 29,552 B. 24,522 C. 24,542 D. 24,552
Mathematics
Use the given trigonometric function value of ? to find the requested trigonometric function value of the acute angle ?. Rationalize the denominators where necessary.sin ? = 
Find cos ?.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A hall 130 feet in length was designed as a whispering gallery. If the ceiling is 25 feet high at the center, how far from the center are the foci located?
Fill in the blank(s) with the appropriate word(s).
Mathematics