The rate at which a company produces waste, W, in tons per month, is approximated by W = 2.75e waste that the company produced during the year 2007. Round your answer to the -0.6t where t is in months since January 1, 2007. Find the total nearest ton.

Company E's well has a pumpjack with a 2 1/4-inch pump rod and is running an 86-inch stroke. If the jack pumps 2562 barrels of oil over a one-week period (7 days), at what speed (in strokes per minute) is it operating. Choose the closest answer. a. 9 SPM b. 12 SPM c. 15 SPM d. 18 SPM

The marginal revenue of the xth box of flash cards sold is 500e-0.002x dollars per box. Find the revenue generated by selling items 101 through 4,000. (Round your answer to the nearest cent.)

A sample of 150 married women determined that 127 are happy in their marriage. A sample of 150 married men determined that 76% are happy in their marriage.   If you plan to test if the percent of married women who are happy in their marriage is greater than the percent of married men who are happy in their marriage.   What is the p-value? Write to 4 decimal places.

The formula P=289(1.009)t estimates the population of the US (in millions of people), t years after 2002.  Use this formula to estimate the US population in 2013.   Show all work.  Round your answer to the nearest million.

The average number of children born to each U.S. woman has decreased by 44% since 1920. If this average is now 1.9, find the average in 1920. Round to the nearest tenth.

A ball bounces 60% of its previous height. If the ball is dropped from a heigh of 2.0m, algebraically determine the total distance travelled in the air until just before the fifth bounce. Round answer to the nearest tenth of a meter.