With no advertising your newspaper has a circulation of 1042 newspapers. For each dollar you spend on advertising, newspaper circulation increases by 16 newspapers. You sell each paper for 37 cents. You pay $488 to print the paper and have it delivered. Give a formula that shows your net income 
, in dollars, if you spend 
dollars on advertising. Suggestion: First
calculate the number of newspapers you sell. Don't forget to include the dollars you spend on advertising in your expenses.
?
?
A. 
B. 
C. ?
D. ?
Answer: A
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Solve. If necessary, round to the nearest tenth.If a flagpole 21 feet tall casts a shadow that is 28 feet long, find the length of the shadow cast by an antenna which is 33 feet tall.
A. 44 ft B. 24.8 ft C. 40 ft D. 17.8 ft
Find the radian measure of the central angle of a circle of radius r that intercepts an arc of length s.r = 
feet, s = 7 feet
A. 21°
B. 
°
C. 
radians
D. 21 radians
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
Find a rational inequality whose solution is given.
A. 
? 0
B. 
< 0
C. 
? 0
D. 
> 0