Which expression gives the apothem for a regular dodecagon with side length 8?
a) a=4/tan 30
b) a=4/tan 15
c) a=8/tan 15
d) a=8 times cos 15

Which graph represents the following piecewise defined function?

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.

Identify the conclusion of the conditional statement. if you live in phoenix, then you live in arizona.