I dont know how to do this i know for the a expanded form but the rest is confuse

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

If jaime wants to find 60% of 320, which table should he use?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin