There are 5 envelopes in a box. the envelopes contain a penny, a nickel, a dime, a quarter, and a half-dollar. a person selects an envelope. find the expected value of the draw

Match each statement with its corresponding value for the system below: y = -2(3)x and y = 9x - 2 1. the number of points of intersection. -2 2. the x-coordinate of the solution. 1 3. the y-coordinate of the solution. 0

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

How many times larger is 9 × 10^8 than 3 × 10^-5? a. 3 × 10^13 b. 3 × 10^-40 c. 3 × 10^-13 d. 3 × 10^3