Solve for the angle ?, where 0 ? ? ? 2?cos2? = 
A. ? = 
, 
, 
, 
B. ? = 0, ?, 2?
C. ? = 
, 
, 
, 
D. ? = 
, 
, 
, 
Answer: A
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Complete the trinomial so it is a perfect square.x2 + 
x + 
A. 
B. 
C. 196
D. 
Find the average rate of change of the function as x changes from a to b.h(x) = (5 - x)2; a = 3, b = 5
A. -12 B. 0 C. -2 D. 18
Describe the right-hand and the left-hand behavior of the graph of 
.
A. Because the degree is odd and the leading coefficient is negative, the graph rises to the left and falls to the right. B. Because the degree is odd and the leading coefficient is negative, the graph falls to the left and rises to the right. C. Because the degree is odd and the leading coefficient is positive, the graph falls to the left and falls to the right. D. Because the degree is odd and the leading coefficient is positive, the graph rises to the left and rises to the right. E. Because the degree is even and the leading coefficient is negative, the graph rises to the left and falls to the right.
Solve the problem.A 5-card hand is dealt from a deck of 52 cards. What is the probability thata) all are from the same suit?b) all are hearts?c) exactly 2 are spades?
A. a) 0.00198 b) 0.000495 c) 0.27428 B. a) 0.000495 b) 0.00198 c) 0.003516 C. a) 0.000495 b) 0.00198 c) 0.00003 D. a) 0.00198 b) 0.000495 c) 0.003516