Kevin plans to put concrete on a rectangular portion of his driveway. the portion is 10 feet long and 3 inches high. the price of concrete is $98 per cubic yard. the total cost of the concrete kevin needs is $72.59. which of the following is closest to the width of the portion of the driveway on which kevin plans to put concrete?

Two planes leave an airport at the same time, one flying east, the other flying west. the eastbound plane travels 20 mph slower. they are 1600 mi apart after 2 hr. find the speed of each plane.

Sample response: if the graph passes the horizontaline test, then the function is one to one. functions that are one to one have inverses that a therefore, the inverse is a hinction compare your response to the sample response above. what did you include in your explanation? a reference to the horizontal-line test d a statement that the function is one-to-one the conclusion that the inverse is a function done

With number 11 ( show how you got the answer)