Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(3
- 3)2
A. 72 + 18
B. 60 - 18
C. 54 - 18
D. 72 - 18
Answer: D
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Find the x-intercepts of the graph of each equation.y = 15x2 + 35x
A. 
, (0, 0)
B. 
C. 
, (35, 0)
D. (0, 0)
Divide.
A. 947 R3 B. 947 R8 C. 947 D. 950
Solve the problem.In 1995, the average annual salary for elementary school teachers was $24, 269. In 2000, the average annual salary for elementary school teachers was $28,148. Let S be the average annual salary in the year x, where x = 0 represents the year 1995.a) Write a linear function that models the average annual salary for elementary school teachers in terms of year x.b) Use this function to determine the average annual salary for elementary school teachers in 2010.
A. a) S(x) = 770.8x - 24,269 b) $35,831.00 B. a) S(x) = 770.8x + 24,269 b) $35,831.00 C. a) S(x) = 775.8x - 24,269 b) $35,906.00 D. a) S(x) = 775.8x + 24,269 b) $35,906.00
Find the x-intercepts of the graph of each equation.y = 25x2 + 40x + 12
A. 
, 
B. 
, 
C. 
, 
D. 
, 