rest of my points giveaway :) guess my favorite animal and i will mark you(but tell me how to mark people i don't know how

Which of the following is the correct ratio for converting kilograms to grams

The parabola opens: y=√x-4 (principal square root) up down right left

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?