Use the even-odd identities to find the exact value of the expression. csc (-30°)
A. - 
B. 
C. -2
D. 2
Answer: C
Mathematics
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Find the distance between the points on a number line.-17, 6
A. -11 B. -23 C. 11 D. 23
Mathematics
Rationalize the denominator. If any variables are present, assume that they represent nonnegative numbers, and assume that the denominator is not zero.
A. 
B. 
C. 
D. 1
Mathematics
Solve the equation.
= 
A. 
B. 
C. 
D. 
Mathematics
Approximate the area under the graph of f(x) over the specified interval by dividing the interval into the indicated number of subintervals and using the left endpoint of each subinterval.f(x) = 0.02x3 + 11; interval [-8, 0]; 4 subintervals
A. 38.24 B. 76.48 C. 56.00 D. 28.00
Mathematics