the sum of two nubers is 20. the difference between three times the first number and twice the sencond is 40. find the two numbers.

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Do,h = (7, 9) (14, 18) the scale factor is