Factor completely.4r2(y + 3)5 - 4r(y + 3)5 - 3(y + 3)5
A. (y + 3)5(2r - 3)(2r + 1)
B. (y + 3)5(4r - 3)(r + 1)
C. (y + 3)5(2r - 3)(2r - 1)
D. (y + 3)5(2r + 3)(2r - 1)
Answer: A
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Which of the following is an important strategy to use in lessons involving manipulatives?
a. Provide sufficient time for students to work through problems b. Demonstrate precisely what students are to do with the manipulatives and have students practice it repeatedly c. Withdraw all teacher support when students are solving open-ended problems d. All of the above e. None of the above
Solve the problem.A kitchen table costs $410. The sales tax is $12.30. What is the sales tax rate and what is the total price paid?
A. 4%, $422.30 B. 3%, $422.30 C. 0.3%, $422.30 D. 5%, $422.30
Evaluate the absolute value.|85|
A. -85
B. 0
C. 85
D. 
Factor.25m2 - 22r3
A. 2(12m2 + 11r3) B. 3(8m2 - 7r3) C. m2(25 - 22m) D. No common factor