Add or subtract as indicated. Simplify if necessary.
+ 
+ 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
A. 20 in. B. 17.5 in. C. 25 in. D. 24 in.
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Convert the angle from degrees to radians. Express the answer as a multiple of ?.-36°
A. - 
B. - 
C. - 
D. - 
Mathematics
Simplify the expression. Assume that all variables represent nonnegative real numbers.-4
- 6
- 10
A. -820
B. -4
C. -126
D. 820
Mathematics
Use a graphing calculator to approximate the real zeros. Give each zero as a decimal to the nearest tenth.f(x) = x4 - 7x2 + 12
A. 1.7, 2 B. -1, 2.3, 2.3, -2.3 C. 3, -3, 4, -4 D. 1.7, -1.7, 2, -2
Mathematics