One state lottery has 900 prizes of $1; 145 prizes of $10; 30 prizes of $60; 5 prizes of $325; 2 prizes of $1,110; and 1 prize of $2,800. Assume that 34,000 lottery tickets are issued and sold for $1.

a. What is the lottery's expected profit per ticket?
b. What is the lottery's standard deviation of profit per ticket?

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

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

Divide: 1573 ÷ 7 = a) 222 r5 b) 223 r6 c) 224 r5 d) 224 r3