Zachary purchased a computer for $1,100 on a payment plan. Two months after he purchased the computer, his balance was $820. Four months after he purchased the computer, his balance was $540. What is an equation that models the balance y after x months? (Type your answer in slope-intercept form. Use integers or fractions for any numbers in the equation. Do not include the $ in your answer.)

What is negative 3/9 times negative 2/8 ?

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.

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −