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.f(x) = x2 from x = 0 to x = 4; n = 4
A. 27
B. 33
C. 30
D. 36
Answer: C
Mathematics
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Complete the following table.?Diameter of Pulley CDiameter of Pulley DPulley Ratio, 
?(a)12 in.4 in.?(b)10 in.8 in.?(c)?6 in.3 to 1(d)105 cm?7.5 to 1(e)?2 cm 6 to 1(f)
in.
in.?(g)3.26 cm13.04 cm?(h)29.83 cm?3.14 to 1(i)7.6 cm?1 to 4.25(j)?7.2 cm0.75 to 1
What will be an ideal response?
Mathematics
Tell whether the angle is acute, right, obtuse, straight, or reflex.
A. Straight B. Reflex C. Right D. Acute
Mathematics
Perform the indicated operation. Express your answer in simplest form.
+ 
A. 
B. 
C. 
D. 
Mathematics
Divide. Write the answer in lowest terms and as a whole or mixed number where possible.
÷ 
A. 
B. 
C. 10
D. 3
Mathematics