Please help me Which statement is not true?

A) Dilations make images bigger.

B) Dilations make images smaller.

C) Dilations do not change the size of the pre-image.

D) A dilated image has different angle measurements than the pre-image.

E) A dilated image has the same angle measurements as the pre-image.

In triangle opq right angled at p op=7cm,oq-pq=1 determine the values of sinq and cosq

There are 15 plates and each plate is either 7 or 12 inches diameter. which systems of equations do you use to find the number of 7 inch plates, x and 12 inch plates, y

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?