Evaluate the algebraic expression for the given values of the variables.m ? n - 9, for m = 7, n = 8
A. 504
B. 47
C. 65
D. 7
Answer: B
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Solve the problem.Suppose assembly line workers are paid as follows:1-75 items assembled$1.00 each76-125 items assembled$1.75 each126 or more items assembled$2.25 eachIf Jared assembles 80 items, what are his gross earnings?
A. $80.00 B. $140.00 C. $83.75 D. $86.25
Provide an appropriate response.Suppose that you attempt to solve a system of equations and find that 
What can you conclude about the solutions of this system?
A. The system has an infinite number of solutions. B. The system has exactly one solution. C. The system has no solution. D. The system has either no solution or an infinite number of solutions.
Factor out the variable that is raised to the smaller exponent.-5x-2 + x2
A. x-2(-5 + x-4) B. x-2(-5 + x-2) C. x-2(-5 + x4) D. x-2(5 - x4)
Solve the problem.The annual population density of a species of insect after n years is modeled by a sequence. Suppose that the initial density of insects is 608 with r = 0.8. Write a recursive sequence that describes this data, where an denotes the insect density during year n.
A. an = 0.8 + an-1 , a1 = 608
B. an = 0.8 an-1 , a1 = 608
C. an = 
, a1 = 608
D. an = 0.8 an+1 , a1 = 304