Approximate the area under the curve and above the x-axis using n rectangles. Let the height of each rectangle be given by the value of the function at the right side of the rectangle.y = x2 + 2 from x = 1 to x = 4; n = 6
A. 24.875
B. 30.875
C. 26.875
D. 28.875
Answer: B
Mathematics
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Evaluate the expression.
?
?
?
A. 95 B. 98 C. 94 D. 96 E. 100
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Find the unknown value in the percent proportion 
Round to the nearest tenth, if necessary.part = 24, whole = 24
A. percent = 0% B. percent = 1% C. percent = 100% D. percent = 200%
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Complete.20 yd = 
in.
A. 60
B. 6
C. 240
D. 720
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