The sales tax on the purchase of a futon is $34.1634.16. if the tax rate is 77%, find the purchase price of the futon.

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

Ineed me i stuck and i don’t want to get it wrong

Darren earned $663.26 in net pay for working 38 hours. he paid $118.51 in federal and state income taxes, and $64.75 in fica taxes. what was darren's hourly wage? question options: $17.45 $19.16 $20.57 $22.28