Multiply the binomials.(12 + 2x)(-9 + 3x)
A. 6x2 + 18x - 108
B. 6x2 + 18x + 18
C. 5x2 + 18x + 18
D. 5x2 + 18x - 108
Answer: A
Mathematics
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Solve.x - 
= 
A. x = 
B. x = - 
C. x = - 
D. x = 
Mathematics
Graph the line described.Through (-3, -4); m = 3
A. 
B. 
C. 
D. 
Mathematics
Solve. Write a mixed numeral for the answer.A road acceleration test measures the time in seconds required to go from 0 mph to 60 mph. The results for five cars were as follows: 6
sec, 7
sec, 8
sec, 6
sec, and 7
sec. What was the average time?
A. 7
sec
B. 7
sec
C. 7
sec
D. 7
sec
Mathematics
Use mathematical induction to prove that the statement is true for every positive integer n.1 ? 2 + 2 ? 3 + 3 ? 4 + . . . + n(n + 1) = 
What will be an ideal response?
Mathematics