Probability with questions 1, 2, 3, 4, 5 and 7 ? in advance! i appreciate your time so much!

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers