Solve the problem.Alex wants to buy a telephone that has costs $217. If a sales tax of 6% is added to the purchase, how much will he pay for the telephone, including the tax? Round your answer to the nearest cent.
A. $227.85
B. $232.19
C. $347.20
D. $230.02
Answer: D
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Write a proportion that models the situation described. Then, solve the proportion for x.A rectangle has sides of 6 and 16. In a similar rectangle, the longer side is 80 and the shorter side is x.
A. 
= 
; x = 
B. 
= 
; x = 32
C. 
= 
; x = 30
D. 
= 
; x = 
Prove the identity.sin 
= 2
(cos x + sin x)
What will be an ideal response?
Solve the problem.State University has a College of Arts & Sciences, a College of Business, and a College of Engineering. The percentage of students in each category are given by the following matrix.
The student population is distributed by class and age as given in the following matrix.
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How many female students are in the College of Business? How many male students are in the College of Arts & Sciences?
A. 522 students; 677 students
B. 677 students; 500 students
C. 624 students; 1393 students
D. 1314 students; 624 students
Solve. Round your answer to three decimal places if necessary.34x - 3 = 16
A. 1.168 B. 2.083 C. -0.119 D. 1.381