Need assistance with the following word problems:
A. Given the following linear equation: 2x - 5y = 5
a. Graph the line for the given equation.
b. Derive an equation for a line parallel to the given line passing through the origin (0 ,0).
c. Graph the second line.
B.. A plain pizza cost $8. Each additional topping cost $0.75.
Write the equation of the line that models the cost (y) of the pizza with x toppings
C. The Body Mass Index (BMI) is used to assess the level of fat in a person's body. When Tim weighed 147 pounds his BMI was 23.4. When his weight went to 185, his BMI was 29.5. What would Tim's BMI be if he reduced his weight to 160 pounds?