Your restaurant bill subtotal was $85. with a sales tax rate of 7.5%, and tip rate of 18%. how much was the tax and tip? explain

Bills is 85

tax is 7.5% or 0.075 as a decimal.  

so tax is 85 x 0.075 = 6.38

tip is 18% of 0.18 as a decimal

so tip is 85 x 0.18 = 15.3

to tip and tax is

6.38 + 15.3  = 21.68

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

345

step-by-step explanation: