Find the sum of 2x^2-6x-2 and x^2+4x

Which value of m will create a system of parallel lines with no solution? y= mx - 6 8x - 4y = 12

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%

Y=21.95x+10 y=22.45x solve by substitution