Use front end rounding to round the number.John drove his car 7999 miles last year.
A. 8000 miles
B. 7900 miles
C. 8900 miles
D. 7000 miles
Answer: A
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Multiply the polynomials.(x + y)(x2 - 6xy - y2)
A. x3 - 5x2y - 7xy2 - y3 B. x3y - 6x2y - xy3 C. x3 - 6x2y - xy2 D. x3 - 6x2y - 6xy2 - y3
Write a system of inequalities that describes the possible solutions to the problem.Matt is going to invest no more than $4000 into two accounts earning 2% and 4% simple interest. He would like the accounts to earn at least 
after one year. He wants to invest less than 
in the account earning 4% simple interest. Write a system of inequalities to describe this situation and solve by graphing.
A. x + y ? 4000 0.02x + 0.04y ? 80 x ? 0 y ? 1000 B. x - y ? 4000 0.02x + 0.04y ? 80 x ? 0 y ? 0 C. x + y ? 80 0.02x + 0.04y ? 4000 x > 0 y ? 0 D. 0.02x + 0.04y - 80 ? 4000 x ? 0 y ? 0
Find the greatest common factor of the terms.m9n6, mn5
A. m9n6 B. m9n5 C. mn5 D. n5
Find the reciprocal.0
A. -1
B. 
C. The number 0 has no reciprocal.
D. 0