Sofia is birdwatching at the coast. He has 8 robins out of 20 total birds. What is the experimental probability that the next bird Sofia sees will be a robin

Angela took a general public aptitude test and scored in the 88th percentile for aptitude in accounting. what percentage of the scores were at or below her score?

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?