Find the exact value of the indicated trigonometric function of the angle ? in the figure. Rationalize the denominator where necessary.Find csc ?.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify the expression.9 - (-12) + (-10)
A. 11 B. -7 C. -13 D. 7
Mathematics
Find the area of the SAS triangle ABC. If necessary, round the answer to two decimal places.a = 12 km, b = 15 km, C = 52°
A. 88.80 sq km B. 35.46 sq km C. 70.92 sq km D. 141.84 sq km
Mathematics
Use the Leading Coefficient Test to determine the end behavior of the polynomial function.f(x) = x - 3x2 - 5x3
A. y ? -? as x ? -? and y ? -? as x ? ? B. y ? ? as x ? -? and y ? -? as x ? ? C. y ? -? as x ? -? and y ? ? as x ? ? D. y ? ? as x ? -? and y ? ? as x ? ?
Mathematics
Multiply using the product rule. Assume all variables represent positive real numbers.
? 
A. 
B. 
C. 7
D. 
Mathematics