Given the points 0,9 and -8,-6 find the slope

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

#7. m is the midpoint of pq, the diameter of the circle o is 13in. and rm = 4in. find pm find pq