If the dimensions of the following cylinder are doubled, what will be the surface area of the new cylinder? radius: 8 in height: 6 in a. 1,406.72 in.2 b. 1,607.68 in.2 c. 5,626.88 in.2 d. 2,813.44 in.2

Multiply. −2x(6x4−7x2+x−5) express the answer in standard form. enter your answer in the box.

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Acar travels at an average speed of 56 miles per hour. how long does it take to travel 196 miles