Directions - Identify the key components, create a compound interest equation, and answer the questions. You invest $4000 into an account that compounds interest on a quarterly basis at 3%. How much money will you have after 5 years? Compound Interest formula: A=P(1+\frac{r}{n})^{(nt)}A=P(1+
n
r
​
)
(nt)

a) P =
​
​b) r =

​c) n =

​d) t =

​e) Value after 5 years =

(round to two decimal places)

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?