Twice a number and thirty is twenty what is the number

You have 6 dollars +12 pennies +to quarters + 4 dimes=2 nickels how much do you have

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

Graph the linear function using the slooe and y intercept