Solve the following system by the substitution method. check the solution(s). 0.1x+0.2y=-0.6 and 0.6x-0.3y=2.3

The pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is find the pressure exerted when the temperature of the gas is 380 degrees f show work for the

Which is the equation of a line perpendicular to the line with the equation 3x+4y=8

Which representation has a constant of variation of -2.5