A restaurant customer left $1.95 as a tip. The tax was 7% and the tip was 15% of the after-tax cost. What was the total bill?

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)