Find the value Z a/2 needed to construct a confident
interval with the given level of 99.7%

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

Can someone answer this question for me

Y=21.95x+10 y=22.45x solve by substitution