Anumber increased by 8 gives the same result as a number multiplied by 8. whay is that number?

What is the standard form of -5x^2+2x^4-11+x^3+3x

Is the point (0, 8) on the x-axis or y-axis? how do you know?

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50