At the beginning of year 1, amanda invests $800 at an annual compound interest rate of 5%. she makes no deposits or withdrawals from the account.
which explicit formula can be used to find the account's balance at the beginning of year 5? what is the balance?

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?