Factor by grouping.25z4 - 5z2 - 12
A. (5z2 + 4)(5z2 - 3)
B. (5z2 + 3)(5z2 - 4)
C. (5z4 + 3)(5z - 4)
D. (5z4 + 4)(5z - 3)
Answer: B
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Subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Find the product.7(-2)(4)
A. -13 B. 56 C. -56 D. -112
Solve the problem. Be sure to make a diagram of the situation with all the given information labeled. ? A 72.9-foot rope from the top of a circus tent pole is anchored to the ground 43.4 feet from the bottom of the pole. What angle does the rope make with the pole? (Assume the pole is perpendicular to the ground.) Apply the rules regarding the use of significant digits when determining your answer. Round to one decimal place. ? __________º
Fill in the blank(s) with the appropriate word(s).
Evaluate. Simplify and adjust the mixed number if the answer contains an improper fraction.8
- 3
A. 4
B. 5
C. 5
D. 11