Express in terms of a base raised to a positive exponent. Then simplify, if possible.(x + 2)-2

A. (x + 2)2
B.
C. - 
D.


Answer: B

Mathematics

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The formula for the area of a trapezoid is all but which of the following??

A.

?The area of the trapezoid is the mean of the bases × the height.


B.

?The area formula for a trapezoid can be broken down into three parts: I. the area of the left triangle, II. the area of the right triangle, III. the area of the rectangle.


C.

?The trapezoid area formula also can find the area for a parallelogram.


D.

?The area formula for a trapezoid is: where a and b are the bases.  


E.

?The area formula for a trapezoid is: where  and  bare the bases.


F.

?The trapezoid area formula can sometimes be used to estimate the area of geographical shapes on maps that resemble a trapezoid.


Mathematics

Find the limit of the sequence if it converges; otherwise indicate divergence.an = n

A. e6 B. 6 C. 0 D. Diverges

Mathematics

Solve the problem.If a projectile is launched upward from a height of 32 feet at an initial velocity of 80 feet per second, then its height after t seconds is given by the function  where h is in feet. After how many seconds will the projectile reach a height of 132 feet?

A. 2.5 seconds B. 1.25 seconds C. 10 seconds D. 5 seconds

Mathematics

Perform the indicated operation or operations.2(-13)

A. -126 B. -26 C. -25 D. 26

Mathematics