3. In the following diagram, AE and BD intersect at C such that ABC - AEDC. Which of the sets of lengths below are possible, given this information? (1) AC-10, AB -6, CE-7, and DE = 3 (2) BC = 12, CD=8, AC = 9, and CE = 6 (3) AB= 20, DE = 10, DC - 7 and BD-14

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

Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?