Abuilding has a ramp to its front doors to accommodate the handicapped. if the distance from the building to the end of the ramp is 17 feet and the height from the ground to the front doors is 7 feet, how long is the ramp? (round to the nearest tenth.)

a4.9 ft
b 15.5 ft
c 18.4 ft
d9.9 ft

Find the total area for the regular pyramid ( follow the answer set up in the picture)

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.