1) bob can type 2 letters in 4 hours while bill can do it in 6 hours. how many hours would it take them to type six letters together? and 2) my brother is 5 years older than me. my sister is 3 years younger than me. how old will my sister be when my brother is 29? pls me with both

This is so harddd! solve. 1 + 1 = solve 4 + 4 = solve 3 x 3

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at __ link to graph: .

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.