Which equation represents a linear function that has a slope and a y-intercept of –6?

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Solve the system of equations y= 3/2 - 1, -x+ y =-3