How many of theese objects are likely to have an area less than 1 acre?

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

What’s -11-33k and factor each expression completely

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if