A photograph is to be printed on a rectangle in the divine proportion. If it is 8 cm high, how wide is it, to the nearest centimeter? Assume that the width of the rectangle is larger than the height.
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__________ cm
Fill in the blank(s) with the appropriate word(s).
13
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Multiply the monomials.(6x6y)(2x3y5)
A. 12x18y5 B. 12x9y6 C. 12x9y5 D. 8x9y5
Use the trapezoidal rule and Simpson's rule to approximate the value of the definite integral.
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A. By trapezoidal rule 1.1325, by Simpson's rule 0.6554 B. By trapezoidal rule 1.9565, by Simpson's rule 0.6555 C. By trapezoidal rule 0.6572, by Simpson's rule 0.6551 D. By trapezoidal rule 1.6290, by Simpson's rule 1.6108 E. By trapezoidal rule 1.5807, by Simpson's rule 0.6533
Solve the problem.The number of mosquitoes M(x), in millions, in a certain area depends on the June rainfall x, in inches: 
What rainfall produces the maximum number of mosquitoes?
A. 7.5 in. B. 15 in. C. 0 in. D. 225 in.
Perform the indicated matrix operations.Let A = 
and B = 
. Find 3A + 4B.
A. 
B. 
C. 
D. 