What is the answer to 3 divided by 1/4

Find the missing factor. 7s2 + 25s + 12 = (s + 3)( ).

Given δjkl : δxyz, find x. a)10 b)12 c)16 d)20

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?