Answer: 
Step-by-step explanation:
Given
Quadratic equation is

Solving by completing the square method

The solution set of the equation is 
Answer:

Step-by-step explanation:
Restaurant A <u>served a greater variety of ages</u> than Restaurant B, because the <u>range</u> of data for Restaurant A is greater than that of Restaurant B.
Range of a data set is the data spread.
Restaurant A is serving a greater variety of ages of people since it has a higher range than that of Restaurant B.
142628281991919182726(35262627282
Answer:
36
Step-by-step explanation:
(Top bottom plus bottom bottom )× height divided by 2
(4+6)*6÷2=36