How to solve linear equations 12 = y + (-2)

Acircular garden with radius of 8 feet is surrounded by a circular path with a width of 3 feet. what is the approximate area of the path alone? use 3.14 for π

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

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