Qing attached a dog ramp to her bed, which allows her dog to easily climb onto the mattress. the ramp is 48 inches long. the base of the ramp is 40 inches from the base of the bed. how high off the ground is the top of the mattress? enter your answer, rounded to the nearest tenth, in the box.

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?