Solve the equation 4X plus Y equals 17 3X plus Y equals 15 what does X equal and Y equals

In the rectangle below ac=30 units what is de

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10