Solve by factoring.x2 - 7x - 18 = 0
A. {2, 9}
B. {-9, 2}
C. {-2, 9}
D. {-2, -9}
Answer: C
Mathematics
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Perform the operation and write the result in standard form.
a. 14 x 3 + 7 x + 4
b. 14 x 3 - 7 x + 10
c. 14 x 6 - 7 x + 10
d. 14 x 6 + 7 x + 4
e. -2 x 6 + 7 x + 4
Mathematics
Solve the problem.The profit that the vendor makes per day by selling x pretzels is given by the function 
Find the number of pretzels that must be sold to maximize profit.
A. 400 pretzels B. 200 pretzels C. 100 pretzels D. 800 pretzels
Mathematics
Write the number in scientific notation.0.000048612
A. 4.8612 × 10-4 B. 4.8612 × 10-5 C. 4.8612 × 105 D. 4.8612 × 104
Mathematics
Use the Factor Theorem to determine whether x - c is a factor of f(x).f(x) = x4 - 5x2 - 36; x - 3
A. Yes B. No
Mathematics