Find the phase shift of the function.y = -3 sin 
A. 
units to the right
B. 3? units up
C. 
units to the left
D. 2? units down
Answer: A
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Use the problem-solving strategy to solve the problem and find the unknown number.The sum of a number and 9 is the same as the difference of 45 and the number.
A. -18 B. 27 C. 18 D. 5
Find the measure of the angle.
?YZV
A. 145° B. 140° C. 135° D. 155°
Find the probability.The table lists the eight possible blood types. Also given is the percent of the U.S. population having that type.
Let E be the event that a randomly selected person in the U. S. has type B blood. Let F be the event that a randomly selected person in the U. S. has RH-positive blood.Find P(F|E).
A. 0.818 B. 0.340 C. 0.720 D. 0.107
Solve the problem.The length of a rectangular room is 2 feet longer than twice the width. If the room's perimeter is 
what are the room's dimensions?
A. width = 37 ft; length = 76 ft B. width = 48 ft; length = 50 ft C. width = 32 ft; length = 66 ft D. width = 64 ft; length = 132 ft