Answer:
-20, -13, -3 0, 19
Step-by-step explanation:
With negative the higher the number the lower the value
Answer:
495 combinations of 4 students can be selected.
Step-by-step explanation:
The order of the students in the sample is not important. So we use the combinations formula to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.

How many combination of random samples of 4 students can be selected?
4 from a set of 12. So

495 combinations of 4 students can be selected.
four hundred and twenty three billion, ninety million, seven hundred and nine thousand
Step-by-step explanation:
yes the are similar because of AA Theorem
EAB is similar to ECD
The points have the same x-coordinate, so they lie on a horizontal line. The distance between them is the difference between their y-coordinates.

The distance between the two points is 1.3.