Multiply.(7x2 - 9y)2
A. 49x4 + 81y2
B. 49x4 + 126x2y + 81y2
C. 49x4 - 81y2
D. 49x4 - 126x2y + 81y2
Answer: D
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Perform the indicated operations graphically.(-3 - j) + (-1 - 2j )
A. 
a = -3 - j
b = -1 - 2j
c = (-3 - j) + (-1 - 2j )
B. 
a = -3 - j
b = -1 - 2j
c = (-3 - j) + (-1 - 2j )
C. 
a = -3 - j
b = -1 - 2j
c = (-3 - j) + (-1 - 2j )
D. 
a = -3 - j
b = -1 - 2j
c = (-3 - j) + (-1 - 2j )
Translate the phrase to an algebraic expression. Use n as the number unless otherwise indicated.eighty less the product of a number and eleven
A. 11n - 80 B. 11(80 - n) C. 80(n - 11) D. 80 - 11n
Solve the problem.If a computer prints 3.5 lines in 3 seconds, how many lines can it print per minute?
A. 70 lines B. 71.5 lines C. 71 lines D. 70.5 lines
Which equation matches the given calculator-generated graph and description? Decide without using your calculator.
Parabola; opens upward
A. -3x = y2 B. 3x = y2 C. -3y = x2 D. 3y = x2