Violet's haircut costs $27. As a tip, she gives the hairdresser 15% of this amount. What is the total amount Violet pays for her haircut, including tip? $42.00 $31.05 $4.05

Aquantity with an initial value of 3900 decays exponentially at a rate of 35% every hour. what is the value of the quantity after 0.5 days, to the nearest hundredth?

Astudent has created the give circuit diagram. it consists of a battery, a resistor, and a light bulb. in one minute, 1.2c of charge flows through the resistor. how much charge flows through the light bulb in one minute?

What is the interquartile range (iqr) of the data set represented by this box plot?