Help me with my math please

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?

Prove that (x-2)is factor of p (x)=2x³-3x²-17x+30