Find the exact value of cos-1 the quantity square root of two divided by two . (2 points)

Bobs burgers bam has a special deal of 4 hamburgers for $6. at that rate, how much should it cost to buy 3 hamburgers?

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6

You went to a restaurant and spent $53.25 on the meal. there was a 6% sales tax. what was the amount of money, not including a tip, you spent at the restaurant?