7.) Jessica took her parents out to dinner. The total bill was $48.55. She left an 18% tip. What was
Jessica's total cost for dinner?

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?

Aball is dropped from a height of 10m above the ground. it bounce to 90% of its previous height on each bounce. what is the approximate height that the ball bounce to the fourth bounce?