Answer this question please and thank you

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Marking brainliest! def undergoes a dilation, with a scale factor of 4, to form d'e'f. side d'e'is 4 times the length of side de. what is the area of d'e'f', compared to the area of def?

The probability brenda will recieve a telemarketing call is 15%. if she gets 20 calls a day, how many can she expect to be telemarketing calls ?