List the terms of the expression.-5 + 5m + 7mn
A. -5, 5m, 7m, 7n
B. -5, 5m, 7m, n
C. 5m, 7mn
D. -5, 5m, 7mn
Answer: D
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Write the numeral as a Roman numeral.1651
A. MMDCLXII B. MDCLXII C. MCDLXV D. MDCLI
Solve the problem.The graph shows the hours studied and the exam grades obtained on a finite math exam for 8 students. (The two points on the line do not represent any of the eight students.) The line of best fit, the line graphed on the coordinate system, can be used to approximate the test grade the average student receives for the number of hours they study. 
Find the equation of the line of best fit.
A. G = 
x - 50
B. G = 
x + 8
C. G = 
x + 50
D. G = 
x + 50
Simplify the expression. Assume that all variables are positive when they appear.
A. 10x3y4 
B. 10y4 
C. 10x7y8 
D. 10x3y4 
Solve the problem.A company's cost for operating two warehouses is C(x, y) = 6x2 + 4x + 12y2 + 8y + 9, where x is the number of units in warehouse A and y is the number in B. Find the average cost to store a unit if A has 20 to 60 units, and B has 32 to 80 units.
A. $62,375 B. $98,650 C. $47,034 D. $89,560