Whats x times y times 45

Suppose you want just guess at the answers in a 5 question multiple-choice test. each question has 3 responses and only one is correct. what is the probability of getting two questions right just guessing? 20 points 0.3275 0.2753 0.7532 none of the above

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

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.