Simplify the sum.(3x - 4y) + (-x + y)
A. 4x - 5y
B. 2x - 5y
C. 2x - 3y
D. 4x - 3y
Answer: C
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Solve.x2 + x + 3 = 0
A. 
B. 
C. 
D. 
Solve the problem.Suppose your job is to take phone orders for computer parts. Use the table below to answer the following questions. Write the correct part number that matches what you hear the customer say on the phone. 
"Do you have that part in 1 and 9 tenths centimeters?"
A. D B. G C. F D. A
Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A = 
and its inverse A-1 = 
to decode the cryptogram 
.
A. CURB B. BEAD C. DARE D. CARE
Use 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) = 3x3 - 4x2 + 15x - 20
A. -5, -1, 
; f(x) = (3x - 4)(x + 1)(x + 5)
B. 20; f(x) = (x - 20)(3x2 + 1)
C. 
; f(x) = (3x - 4)(x2 + 5)
D. 5, 
, 1; f(x) = (3x - 4)(x - 1)(x - 5)