Chris withdraws $7.50 per week from his savings account. after 15 weeks, the balance in the account is $585.

1.write an equation in point -slope form to model this.

2.write the equation in slope-intercept form.

3.how much is in the account after 1 year (52 weeks)?

Sandy is upgrading her internet service. fast internet charges $20 for installation and $52.45 per month. quick internet has free installation but charges $57.45 per month. part 1 out of 2 complete the equation that can be used to find the number of months after which the internet service would cost the same. use the variable x to represent the number of months of internet service purchased.