Some other person's sales tax is $1.61. How much was their subtotal?

You are studying different function tools and begin working with this function y=-160-9(x) use the equation to answer the question y=-160-9(x) what is the y value when x equals -13? y=-160-9(x)

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.

Which is an x-intercept of the graphed function? (0, 4) (–1, 0) (4, 0) (0, –1)