Evaluate the requested trigonometric function using the information given. csc ? = - 
; 3?/2 < ? < 2?Find cos ?.
A. - 
B. 
C. 
D. - 
Answer: B
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Determine whether the improper integral converges or diverges.
A. Diverges B. Converges
Find the equation of the line passing through the indicated two points. Write the equation in point-slope form.(-2, 15) and (4, -9)
A. y + 15 = -4(x - 2) or y - 9 = -4(x + 4) B. y - 15 = -4(x + 2) or y + 9 = -4(x - 4) C. y - 15 = -4(x - 2) or y - 9 = -4(x - 4) D. y + 15 = -4(x + 2) or y + 9 = -4(x + 4)
Even with most of the problem missing, it is possible to tell whether a suggested answer is reasonable. Determine whether the answer given is reasonable. If it is unreasonable, move the decimal point or insert a decimal point to make the answer reasonable.How tall is the child? 54 inches
A. Reasonable B. Unreasonable, should be 5.4 inches C. Unreasonable, should be 540 inches D. Unreasonable, should be 0.54 inches
Solve the problem.The surface area of a balloon is given by S(r) = 4?r2, where r is the radius of the balloon. If the radius is increasing with time t, as the balloon is being blown up, according to the formula 
find the surface area S as a function of the time t.
A. S(r(t)) = 
?t6
B. S(r(t)) = 
?t6
C. S(r(t)) = 
?t3
D. S(r(t)) = 
?t9