Write the certification statement for full credit. Please solve the following two problems,
(a) Given quadrilateral RSTV below. If the rule to
translate this figure is (x + 5, y - 3) what are the
coordinaties of R, S, T and V
R
(-5, 7)
S(2, 6)
10
-8 -6
10
Ý
(-4, 0)
000
(5, -3)
-10

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)

How can you find the mean absolute deviation (mad) for this set of data?