20 POINTS 3 QUESTIONS. THESE ARE NOT MULTIPLE CHOICE THERES FOUR PARTS TO EACH.

1. The price of oranges went from $.50 per lb to $1.80 per lb in four years. Find the rate of change of the price of oranges.

A.)What are the two points, (x y) given in the question?

B.)What is the independent variable?

C.)How do you find the rate of change?

D.)Show your calculations for the rate of change.

Savannah was paid $77 for 11 hours of babysitting and $55.25 for 8 hours.

2. What is the constant of proportionality that describes this relationship?

A.)What are the two points, (x y) given in the question?

B.)What is the dependent variable?

C.)How do you find the constant of proportionality?

D.)Show your calculations for the constant of proportionality.

3. x - 3(2 - 3/2x) = 3 (4-x) +10

A.)How do you remove the parentheses?

B.)How do you arrange the like terms?

C.)What happens to a term when moved from left to right of the equation?

D.)What is the value of x?