Help me plz this is hard

Draw a scaled copy of the circle using a scale factor of 2

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?

Calculate the annual effective interest rate of a 12 % nominal annual interest rate compound monthly