A box contains 2 red discs and 3 Blue discs. A disk is drawn at random, its color noted, and it is then returned it to the box. This is repeated. What is the probability of choosing a pair of the same color?

Astudent received the following grades last semester. find the student's semester grade point average. an a is algebra (3 credits), a b in history ( 3 credits), a in sociology ( 3 credits) a d in english ( 3credits) and a c in seminar ( 2credits). an a is worth 4 points, a b is worth 3 points a c is worth 2 points and a d is worth 1 point.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Solve the equation by completing the square. x^2+2x=17