When does expanding and simplifying a(b + c) result in a positive value for ac?

Can (2,3 and square root 10) be sides ona right triangle?

You are updating your garage and the only thing left to paint is your garage day. you're only going to paint the slide that faces the street. the garage door is 9 fert 8inches tall and 120 inches wide. you need to know the surface area of the side of the garage door to determine how much paint to buy. the hardware store sells paint by how much covers a square foot. what is the surface area you should report to the hardware store what is the answer

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2