Solve and check the equation.4(2y - 5) = 7(y + 4)
A. {12}
B. {-8}
C. {48}
D. {8}
Answer: C
Mathematics
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Calculate the angle between a and b (correct to the nearest degree).
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Find the midpoint of the line segment joining the given points.
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Mathematics
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 
B. x = 81
C. x = 9
D. x = 9, x = -9
Mathematics
By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 4 in. long and 4 in. wide, find the dimensions of the box that will yield the maximum volume.
?
What will be an ideal response?
Mathematics