Determine if the statement is a proportion.I. 
II. 
A. I is a proportion, II is not a proportion.
B. I is not a proportion, II is a proportion.
C. I and II are both proportions.
D. Neither I nor II are proportions.
Answer: C
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Calculate the direction of 
and the midpoint of line segment P1P2. P1(5, -2, 7) and P2(9, -5, 2)
A. 
i + 
j + 
k; 
B. 
i + 
j + 
k; 
C. 
i - 
j - 
k; 
D. 
i - 
j - 
k; 
Fill in the blank with one of the words or phrases listed below.
The 5 above is called the 
.
A. quotient B. dividend C. difference D. divisor
Find the expected value.Suppose that 1,000 tickets are sold for a raffle that has the following prizes: one $300 prize, two $100 prizes, and one hundred $1 prizes. What is expected value of a ticket?
A. $300 B. $0.60 C. $1 D. $100
Solve the problem.A projectile moves so that its position at any time t is given by the equations x = t2 and 
for t in [0, 5]. Find the equivalent rectangular equation.
A. y = -16
+ 27
B. y = -16x + 32
C. y = -16
+ 32
D. y = -16x + 35