Add.24 + 22 + 21
A. 67
B. 85
C. 76
D. 58
Answer: A
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Solve the problem.How much commission will an agent make on the sale of a $215,100 house if she receives 
of the selling price?
A. $2366.10 B. $236.61 C. $19,554.55 D. $1955.45
Provide an appropriate response.The set of grades from different classes is recorded. In the first class, the mean is 80 and the standard deviation is 2. In the second class, the mean is 70 and the standard deviation is 5. In the third class, the mean is 72 and the standard deviation is 4. In which class are the grades most dispersed?
A. First class B. Third class C. Second class
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).2x + 3y = 6
A. 2 sin ? + 3 cos ? = 6r B. r(2 cos ? + 3 sin ?) = 6 C. 2 cos ? + 3 sin ? = 6r D. r(2 sin ? + 3 cos ?) = 6
Solve the equation on the interval [0, 2?).sin 4x = 
A. 0, 
, ?
B. 
, 
C. 
, 
, 
, 
, 
, 
, 
, 
D. 0