Answer:

Step-by-step explanation:

0.2, 0.3, 0.4, 0.5 if 0 doesnt count then exclude 0.2.
-0.2 + 0.2 = 0
-0.2 + 0.3 = 0.1
-0.2 + 0.4 = 0.2
-0.2 + 0.5 = 0.3
Just do each number to they square root
Answer:
x = 155
Step-by-step explanation:
155 and x are alternate exterior angles and alternate exterior angles are equal when a and b are parallel
x = 155
Do you even read these questions before you post them ? They want two and a half standard deviations higher than the mean. The standard deviation is 18 and the mean is 90. Can you calculate what's 2.5 times 18 higher than 90.