Answer:
ABC is more than 90 Degrees because it is an Obtuse Angle
ADC is less than 90 Degrees because it is an Acute Angle
I don't know the exact answer but I hope this helps you a little!
Advice:
I've seen this around quite a bit. what image is it referring to? I cannot answer this because there is no image.
The age of the students is about 0.67 years away from the 13.3 years.
The Mean Absolute Deviation is the average distance away from the mean. For the last choice, you should select more variable. Since the average is higher, there is a greater distance between the points and the mean.
It would be 110x because they are like units, so they can be added together. Really, you are just doing 80 plus 30, and then adding an x on the end.
