Factor completely. Make sure you factor out the GCF or the negative of the GCF if possible. If prime, so state.45x2 + 57x + 18
A. 3(3x + 1)(5x + 18)
B. (3x + 2)(5x + 3)
C. 3(3x + 2)(5x - 3)
D. 3(3x + 2)(5x + 3)
Answer: D
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Give the appropriate counting number answer to the problem.A particular freight elevator can safely carry 1061 pounds. How many 109-pound bundles of wood can be safely carried by this elevator?
A. 5 B. 9 C. 7 D. 4
Use the rules for exponents to rewrite the expression and then evaluate the new expression. (2-2)0
A. 1
B. 
C. 0
D. -4
Solve the problem. Express the answer in scientific notation to two decimals.A computer can do one calculation in 1.4 × 10-7 seconds. How long would it take the computer to do a trillion (1012) calculations?
A. 1.4 × 1012 sec B. 1.4 × 106 sec C. 1.4 × 105 sec D. 1.4 × 10-7 sec
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 + 12x = - 3
A. 
B. 
C. 
D. 