The center and radius of the circle x2+y2−2x+4y+1=0 are:

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

The point a is at –2 and the point b is at 7. marissa would like to divide this line segment in a 4: 3 ratio, and she would like to use the formula x = (x2 – x1) + x1. what values should she substitute into the formula? a = a + b = x1 = x2 =

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount