Which expression best represents the perimeter of this rectangle? [Recall that perimeter equals the total length of the sides.] A) L2W2 B) 2LW C) 4LW D) 2(LW) E) 2L + 2W

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?

Of the following, which statement or statements accurately reflect a way in which credit can be safer than cash? i. if your credit card gets stolen, you can cancel it and get your money back. ii. it is harder to lose a single credit card than a large number of bills. iii. if a merchant does not honor the agreement, you can call the credit company and dispute the charges. a. i and iii b. ii only c. iii only d. i, ii, and iii

Find the volume v of the solid obtained by rotating the region bounded by the given curves about the specified line. y = x â’ 1 , y = 0, x = 5; about the x-axis v = sketch the region. sketch the solid, and a typical disk or washer.