5.2 A ladder has 50 rungs. The bottom rung is 1m long. Each rung is 12,5mm shorter than the
rung beneath is. Determine the total length of wood required to make 50 rungs.
(5)

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

Find the distance between the pair of points a(-1,8) and b(-8,4)