Find the expected value.A car agency has found daily demand to be as shown in the table.
Find the expected number of customers.
A. 9
B. 12
C. 10
D. 2
Answer: A
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Find the exact value under the given conditions.sin ? = 
, 
< ? < ?; cos ? = 
, 0 < ? < 
Find sin (? - ?).
A. - 
B. 
C. 
D. 
Find the quotient. Assume all variables have positive values. Leave your answer in simplest form.
A. 15x2
B. 15x2y
C. 10x2y2
D. 15x2
Solve.The Neighborhood Lemonade Stand, Inc. reported net incomes of -$364, -$338, and -$229 for the past three years. What was its total net income for these three years?
A. -$567 B. $931 C. -$702 D. -$931
Write a system of equations to describe the problem situation. Use guess and check to solve the problem.
Two of the top-price tickets and five of the lowest-price tickets for a Tim McGraw concert cost $660. Three of the top-price and three of the lowest-price tickets cost $900. Find the cost of the top-price ticket. A) Top-price ticket costs $270. B) Top-price ticket costs $105. C) Top-price ticket costs $230. D) Top-price ticket costs $280. E) Top-price ticket costs $250.