Find the area.
A. 16 in.2
B. 22.5 in.2
C. 55 in.2
D. 27.5 in.2
Answer: D
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Write the equation of a line that passes through the given point and is perpendicular to the given line. Write the equation in the form Ax + By = C, where A, B, and C are integers and A > 0.(2, 9); y = x - 6
A. x - y = 7 B. x + y = -11 C. x - y = -7 D. x + y = 11
Solve the problem.A textile company has specific dyeing and drying times for its different cloths. A roll of Cloth A requires 60 minutes of dyeing time and 45 minutes of drying time. A roll of Cloth B requires 70 minutes of dyeing time and 25 minutes of drying time. The production division allocates 2560 minutes of dyeing time and 1480 minutes of drying time for the week. How many rolls of each cloth can be dyed and dried?
A. 2 rolls of Cloth A, 55 rolls of Cloth B B. 12 rolls of Cloth A, 30 rolls of Cloth B C. 24 rolls of Cloth A, 16 rolls of Cloth B D. 14 rolls of Cloth A, 46 rolls of Cloth B
Use Descartes' Rule of Signs and the Rational Zeros Theorem to find all the real zeros of the polynomial function. Use the zeros to factor f over the real numbers. f(x) = 5x4 - 9x3 + 14x2 - 18x + 8
A. -2, -1, 1, - 
; f(x) = (x - 1)(5x + 4)(x + 1)(x + 2)
B. 2, 
; f(x) = (x - 2)(5x - 4)(x2 + 1)
C. 1, 
; f(x) = (x - 1)(5x - 4)(x2 + 2)
D. -2, -1, 1, 
; f(x) = (x - 1)(5x - 4)(x + 1)(x + 2)
Solve.The following data are the number of social network friends for nine random users.76?91?123?63?106?211?84?111?46(a) Find the mean, median, and mode for the data. Round the value of the mean to the nearest whole number, if necessary.(b) A new user opens a social network account starting with 19 friends. Add this data to the data set and find the new mean, median, and mode for the data. Round the value of the mean to the nearest whole number, if necessary.
A. (a) mean: 101, median: 91, mode: no mode; (b) mean: 93, median: 101, mode: no mode B. (a) mean: 93, median: 111, mode: 111; (b) mean: 85, median: 101, mode: 111 C. (a) mean: 93, median: 111, mode: 111; (b) mean: 91, median: 111, mode: 111 D. (a) mean: 101, median: 91, mode: no mode; (b) mean: 101, median: 111, mode: no mode