Solve the equation for all values of x

What is the difference between the equations of a vertical and a horizontal line?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

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