Find the product.(x + 12y)(x + 10y)
A. x2 + 22xy + 22y2
B. x2 + 22xy + 120y2
C. x2 + 19xy + 120y2
D. x + 22xy + 120y
Answer: B
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Simplify the sum.(y2 - 8y) + (4y2 - 5)
A. 5y2 - 13y B. 5y2 - 8y - 5 C. 4y2 - 8y - 5 D. 5y2 - 13
Solve.A common equation used in business is a demand equation. It expresses the relationship between the unit price of some commodity and the quantity demanded. In the demand equation 
for a certain style of calculator, p is the price per calculator in dollars and x is the quantity demanded in thousands. Find the demand for the calculator if the price is $5 per calculator.
A. 61 thousand units
B. 9 thousand units
C. 40
thousand units
D. 10 thousand units
Graph the inequality.(x - 4)2 + (y + 3)2 ? 4
A. 
B. 
C. 
D. 
Translate the phrase to an algebraic expression. Use "x" to represent "a number". 4
increased by a number
A. 4
- x
B. x + 4
C. 4
? x
D. 4
+ x