Daniel is considering taking out a cash advance on his credit card to purchase a new television. His credit card offers cash advances up to $500.00 at an interest rate of 27%. If the television costs $380.00 and Daniel plans to pay the balance off in 8 months, how much extra will he pay in interest to purchase the television? *Great time to practice the formula:

What’s the PV =

What’s the I =

What’s the n =

Use the formula and try to find the payment amount first (desmos)

Now, use the payment to find out how much he will payback in total

Lastly, subtract from the original PV to isolate extra money you had to pay back.

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Aschool typically sells 500 yearbooks each year for 50 dollars each. the economic calls does a project and discovers that they can sell 100 more yearbooks for every $5 decrease in price. the revenue for yearbook sales is equal to the number of yearbooks sold times the price of the yearbook. let x represent the number of $5 decrease in price. if the expression that represents the revenue is written in the form r(x)=(500+ax)(50-bx). to maximize profit, what price should the school charge for the yearbooks? what is the possible maximum revenue? if the school attains the maximum revenue, how many yearbooks will they sell?

What is the equation of the graph below? y=sec(x)-4

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.