Perform the indicated operation(s), whenever possible.Let A = 
and B = 
. Find A - B.
A. 
B.
[-1]
C. 
D. 
Answer: C
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Solve the equation.3(4x + 7) = 2(x + 7)
A. - 
B. - 
C. 10
D. -7
Solve.The number of board feet , N, that can be manufactured from a tree with a diameter of x inches and a length of y feet is modeled by the formula N = 
x2y - 2xy + 4y.Suppose that a lumber company has a fresh load of timber from 25 trees that averaged 14 inches in diameter and 15 feet in length. How many board feet of lumber can the company manufacture from this load of timber?
A. 375 board ft B. 9375 board ft C. 10,587.5 board ft D. 64,500 board ft
Use a graphing calculator to approximate the vertex of the graph of the parabola defined by the following equation.y = x2 + x + 1
A. (-0.5, 0.75) B. (0.5, 0.75) C. (0.5, -0.75) D. (-0.5, 1)
Use the pictograph to answer the question.For selected countries, this pictograph shows approximately how many kilograms of seafood is consumed by each person (per capita) annually.
What is the approximate seafood consumption in Country E?
A. 3456 kilograms B. 3200 kilograms C. 3072 kilograms D. 3584 kilograms