As student received a 75% on an exam. if there were 20 questions on the exam which ratio would show the number of questions answered correctly

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

Which measure is equivalent to 110 ml? 0.0110 l 0.110 l 1.10 l 11,000 l

[15 points]find the quotient with the restrictions. (x^2 - 2x - 3) (x^2 + 4x + 3) ÷ (x^2 + 2x - 8) (x^2 + 6x + 8)