Karissa deposits $165 into a new savings account. the account earns 2.75% simple interest per year. karissa plans on keeping the money in the account of 4 years (no money is added or removed). what will the total account balance be at the end of the 4 years?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16. show your work.

Gravel is being dumped from a conveyor belt at a rate of 25 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. how fast is the height of the pile increasing when the pile is 14 ft high? (round your answer to two decimal places.) ft/min

Tim has obtained a 3/27 balloon mortgage. after the initial period, he decided to refinance the balloon payment with a new 30-year mortgage. how many years will he be paying for his mortgage in total?