How would you write the equation with a slope of 2/3 and a y-intercep of -3

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

3. solve the given inequality and graph the solution on a number line.

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is