Factor completely. If the polynomial cannot be factored, say it is prime.98x2 - 112x + 32
A. 2(7x - 4)(7x + 4)
B. 2(7x - 4)2
C. 2(7x + 4)2
D. prime
Answer: B
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Solve the problem.Working together, Rick and Juanita can complete a job in 6 hours. It would take Rick 9 hours longer than Juanita to do the job alone. How long would it take Juanita alone?
A. 9 hr B. 6 hr C. 3 hr D. 15 hr
Solve using a proportion. Round your answer to the nearest hundredth when necessary.Find which is the better buy (lower cost per ounce) by finding each unit price rounded to three decimal places if necessary. Crackers:$0.77 for 11.5 ounces $0.86 for 10.5 ounces
A. $0.77 for 11.5 ounces B. $0.86 for 10.5 ounces C. Both cost the same per ounce.
Multiply. Write a mixed numeral for the answer.4 ? 5
A. 21
B. 20
C. 20
D. 20
Multiply.(x - 0.1)(x + 0.1)
A. x2 + 0.01 B. x2 - 0.01 C. x2 - 0.2x - 0.01 D. x2 - 0.2x + 0.01