The length of a line segment AB is 25 units. A is at (-12, 2) and B is at (2,-5).
Find the positive value of x.

There are three bags: a (contains 2 white and 4 red balls), b (8 white, 4 red) and c (1 white 3 red). you select one ball at random from each bag, observe that exactly two are white, but forget which ball came from which bag. what is the probability that you selected a white ball from bag a?

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.

If t17 = 3 (t5) in an arithmetic progression, find t1 in terms of d.