Find an equation of the tangent line to the graph of 
at the point (2, 10) .
What will be an ideal response?
y = x + 8
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Balls numbered from 1 to 116 are placed in a container and stirred. If one is drawn at random, find the probability that the number is less than 12. ?
A. 
B. ?
C. ?
D. ?
E. ?
Solve.
= 
(Write the answer as a mixed number.)
A. 3
B. 4
C. 3
D. 3
Which of the following are true?
(a) All squares are rhombi. (b) All rectangles are parallelograms. (c) All parallelograms with congruent diagonals are rectangles. (d) All rhombi with congruent diagonals are squares. (e) Both (a) and (b) are correct. (f) Answers (a)–(d) are all correct.
Solve the problem.In the study of alternating electric current, capacitive voltage is given by 
, where f is the number of cycles per second, i is the maximum current, and t is the time in seconds. Solve the equation for t.
A. t = 
arccos 
B. t = 
arccos 
C. t = 2?f arccos 
D. t = 2?f cos 