Can someone explain to me how to do this?

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

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie