What is the slope of a line perpendicular to the line whose equation is 20x - 2y = 6

How do you multiply a mixed fraction by a regular fraction

Prove that 3: 8 is equivalent to 12: 32.a. use diagrams to support your answer.

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