Simplify.5.4x - 1.2y - 3.8x + 7y + 2.7x
A. 4.3x + 8.2y
B. 11.9x + 5.8y
C. 4.3x - 1.2y + 7
D. 4.3x + 5.8y
Answer: D
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Solve the problem.A vat contains 30 liters of soup. The soup is to be evenly distributed among 20 cans. How many milliliters will be in each can? Round to the nearest tenth of a milliliter, if necessary.
A. 150.0 mL B. 600,000 mL C. 1500 mL D. 1.5 mL
Find a formula for the inverse of the function described below.A size 6 dress in Country C is size 44 in Country D. A function that converts dress sizes in Country C to those in Country D is 
A. f-1(x) = x + 38
B. f-1(x) = x - 38
C. f-1(x) = 
D. f-1(x) = 
Use the graph to identify the x- and y- intercepts or state that there is no x- or y-intercept.
A. x-intercept = -4; y-intercept = 8 B. x-intercept = 4; y-intercept = -8 C. x-intercept = 4; y-intercept = 8 D. x-intercept = -8; y-intercept = 8
Solve the problem.You have 64 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and width of the plot that will maximize the area.
A. length: 32 feet, width: 32 feet B. length: 16 feet, width: 16 feet C. length: 32 feet, width: 16 feet D. length: 48 feet, width: 16 feet