Answer: 1 over 2
Step-by-step explanation: if you take the coordinates of the pre-image, letter A. which is (2,6) and the coordinates of the transformed image A’ which is (1,3) and only use the first number of the coordinates. You would put the number of of the pre-image as the denominator and the number of the transformed image as the numerator. And It would become 1/2.
Answer:
Answer should be choice 4
Step-by-step explanation:
Answer:
See below
Step-by-step explanation:
is the average
is the variance
is the standard deviation

(70+71+72+x)/4 ≥ 73
(213+x)/4 ≥ 73
213+x ≥ 73*4
213+x ≥ 292
-213 -213
x ≥79
Check:
(70+71+72+80)/4
292/4
73.25
Your Answer:
x ≥ 79