Decide whether the given number is a solution to the equation preceding it.6y - 8 - 5y = 3y + 52 - 4y; y = 6
A. Yes
B. No
Answer: B
Mathematics
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Evaluate the expression.(-2)-1
A. - 
B. 2
C. -2
D. 
Mathematics
Evaluate the indicated trigonometric function of the acute angle ?.If ? is an acute angle of a right triangle and if tan ? = 3, then find the value of cos ?.
A. 
B. 
C. 
D. 
Mathematics
Find the cross-product and determine whether the proportion is true or false.
= 
A. 72 = 72; true B. 8 ? 162; false C. 18 ? 72; false D. 36 = 36; true
Mathematics
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
Mathematics