Solve.5y - 7 + 8y = 16
A. y = 3
B. y = 
C. y = 
D. y = 
Answer: C
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Solve the problem.Alan is building a garden shaped like a rectangle with a semicircle attached to one short side along its diameter. The diameter of the semicircle is equal to the width of the short side of the rectangle. If he has 20 feet of fencing to go around the garden, what dimensions will give him the maximum area in the garden?
A. width = 
? 2.8, length = 5.6
B. width = 
? 3.6, length = 5.4
C. width = 
? 5.6, length = 7.2
D. width = 
? 5.6, length = 2.8
Find the probability.A bag contains 21 marbles, of which 6 are blue and 7 are green. One marble is drawn from the bag. What is the probability that the marble drawn is not blue?
A. 
B. 
C. 
D. 
Solve the following problem. Be sure to make a diagram of the situation with all the given information labeled. ? A tree on one side of a river is due west of a rock on the other side of the river. From a stake 21 yards north of the rock, the bearing of the tree is S 18.5º W. How far is it from the rock to the tree? ? Apply the rules regarding the use of significant digits when determining your answer. ? Distance between rock and tree = __________ yd
Fill in the blank(s) with the appropriate word(s).
Write a formula for the general term (the nth term) of the geometric sequence.2, 
, 
, 
, 
, . . .
A. an = 2 
n + 1
B. an = 2 
n - 1
C. an = 2 
n - 1
D. an = 2 
n