Evaluate the algebraic expression for the given values of the variables.7m + 6 for m = 4
A. 34
B. 22
C. 13
D. 56
Answer: A
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Use the information below to determine the cardinality of the set. U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y} B = {q, s, y, z}n(A ? B)
A. 5 B. 3 C. 6 D. 10
Write a system of two inequalities that describe the constraints in the problem.An office manager needs to buy new filing cabinets. Cabinet A costs $6, takes up 5 square feet of floor space, and holds 7 cubic feet of files. Cabinet B costs $8, takes up 8 square feet, and holds 14 cubic feet. He has only $66 to spend and the office has room for no more than 59 square feet of cabinets. Let x equal the number of cabinet A's bought and y equal the number of cabinet B's bought.
A. 6y + 8x ? 66, 5y + 8x ? 59 B. 7x + 14y ? 59, 59x + 66y ? 8 C. 6x + 8y ? 66, 5x + 8y ? 59 D. 7y + 14x ? 59, 59y + 66x ? 8
Graph the function. State the amplitude, period, and phase shift.y = 4
sin x - 4 cos x
x-scale = 
y-scale = 2
A. Amplitude 8, period 2?, phase shift 
x-scale =  | y-scale = 2 |
B. Amplitude 4, period 2?, phase shift -
x-scale =  | y-scale = 2 |
C. Amplitude 4, period 2?, phase shift
x-scale =  | y-scale = 2 |
D. Amplitude 8, period ?, phase shift
x-scale =  | y-scale = 2 |
Simplify the expression.(
+ 5)(
- 5)
A. 2
B. 32
C. 7 - 2
D. -18