Determine whether the diagram is a dilation. Explain how you know. Need an answer by June 24 :)

You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?

Scores on the cognitive scale of the bayley-scales of infant and toddler development range from 1 to 19, with a standard deviation of 3. calculate the margin of error in estimating the true mean cognitive scale score, with 99% confidence, if there are 12 infants and toddlers in a sample.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)