Solve the problem.The manager of a small retail store counted the number of sales each hour during a 60-hour week. The frequency distribution is given below. 
Find the relative frequency of seven sales during an hour.
A. 
B. 
C. 
D. 
E. none of these
Answer: D
Mathematics
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Factor completely using the trial and error method to factor trinomials. If unfactorable, indicate that the polynomial is prime.3x2 - 11x + 6
A. (3x + 2)(x + 3) B. (3x - 3)(x - 2) C. prime D. (3x - 2)(x - 3)
Mathematics
Provide an appropriate response.True or false? The statement sin-1(sin x) = x for all real numbers in the interval - 
< x < 
.
A. True B. False
Mathematics
Find the slope and y-intercept of the line.x + y = 11
A. slope = 1; y-intercept = 11 B. slope = -1; y-intercept = 11 C. slope = 0; y-intercept = 11 D. slope = -1; y-intercept = -11
Mathematics
Evaluate the expression for the given replacement values. Write the answer in simplest form.x + y for x = 
, y = 
A. 
B. 
C. 
D. 
Mathematics