Factor by grouping.20x2 - 16x - 15x + 12
A. (20x - 3)(x - 4)
B. (20x + 3)(x + 4)
C. (4x + 3)(5x + 4)
D. (4x - 3)(5x - 4)
Answer: D
Mathematics
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Find the volume under the surface z = f(x,y) and above the rectangle with the given boundaries.z = 8x + 4y + 7; R = {(x, y): 0 ? x ? 1, 1 ? y ? 3}
A. 28 B. 38 C. 26 D. 36
Mathematics
Solve the simple interest problem. Round to the nearest cent.If Stephen borrows $660 for 8 years at a simple interest rate of 8% per year, how much interest will he have to pay for this loan?
A. $422.40 B. $528.00 C. $4224.00 D. $52.80
Mathematics
Provide an appropriate response.One of the graphs below is that of y = f(x), and the other is that of 
. State which is the graph of y = 
.
i ii
A. i B. ii
Mathematics
Subtract.793 - 259
A. 518 B. 544 C. 534 D. 634
Mathematics