Rosie is building a wheelchair ramp that is 24 feet long and 2.5 feet high. She needs to install a vertical support piece 16 feet from the end of the ramp. What is the length of the support piece in inches? 2.5 ft 16 ft The support piece needs to be 24 ft inches tall.

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.

The average human heart beats 1.15 \cdot 10^51.15⋅10 5 1, point, 15, dot, 10, start superscript, 5, end superscript times per day. there are 3.65 \cdot 10^23.65⋅10 2 3, point, 65, dot, 10, start superscript, 2, end superscript days in one year.how many times does the heart beat in one year? write your answer in scientific notation, and round to one decimal place.

Add the fractions and simplify 1/2+ 1/3