Which of the following functions is graphed below? 15
10
6 0
-20
.
2
8
O A -
2-2, x51
BY -
(x-2, 21
1x +4, *<1
O c. v. 1 - 2 x1
1x2 +421
D.
-2.31
12 +4x51

An automated water dispenser fills packets with one liter of water on average, with a standard deviation of 5 milliliter. the manual says that after a year of operation the dispenser should be tested to see if it needs recalibration. a year later a number of filled packets are set aside and measured separately. it is found that the average packet now contains about 0.995 liters. does the dispenser need calibration? explain your answer.

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?