SOLVE THE UNIT OF EQUATIONS:
y=7x+10
y=-4x - 23

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2

The area (a) of a circle with a radius of r is given by the formula and its diameter (d) is given by d=2r. arrange the equations in the correct sequence to rewrite the formula for diameter in terms of the area of the circle.