Simplify.4

A. 36
B. 156
C. 12
D. 3


Answer: C

Mathematics

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If there are G grams of a certain radioactive substance present today, then in one year there will be  grams remaining.  There are initially 29 grams present.  Find a formula that gives the amount G, in grams, remaining after t years. ?

A. ?
B.
C. ?
D. ?

Mathematics

Find the volume of the described solid.The base of a solid is the region between the curve y = 3cos x and the x-axis from x = 0 to . The cross sections perpendicular to the x-axis are squares with bases running from the x-axis to the curve.

A. ?
B. ?
C. ?
D. 2?

Mathematics

Find the exact value of the expression.

A. -2
B. - 
C. -
D. - 

Mathematics

Multiply: (1+j)(3-4j)

What will be an ideal response?

Mathematics