Marge orders the following items and would like to leave a 20 percent tip based on her bill. there is no tax on her meal. what is the total cost of her dinner including gratuity?

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Convert (-3,0) to polar form. a. (3,0’) b. (-3,180’) c. (3,180’) d. (3,360’)

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?