A line passes through the point (-3,9) and has a slope of -9. Write an equation in slope-intercept form for this line.

If f(x)=3x+1 and f^-1=x-1/3, then f^-1(7)=

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.

Janie has $3. she earns $1.20 for each chore she does and can do fractions of chores. she wants to earn enough money to buy a cd for $13.50.