Solve.(x - 7)(x + 3) ? 0
A. (-?, -3] ? [7, ?)
B. (7, ?)
C. (-?, -7] ? [3, ?)
D. (7, -3)
Answer: A
You might also like to view...
Solve by the elimination method.3x - 6y = -4-9x + 18y = -12
A. {(12, -24)} B. No solution C. Infinitely many solutions D. {(-12, 24)}
Represent the angle algebraically.If an angle measure is x°, represent 2 times its supplement algebraically.
A. 2(180 + x) B. 2(90 - x) C. 2(180 - x) D. 2x
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(U)
A. 10 B. 19 C. 5 D. 9
Solve.Eight diagonal braces are to be attached along the diagonals of the vertical sides of a storage bin. Each of four of these diagonals has a length of 
feet, while each of the other four has a length of 
feet. In simplest radical form, find the total length of the wood needed for these braces. 
A. 44
ft
B. 11
ft
C. 22
ft
D. 22
ft