In the Pythagorean Theorem, the sum of the squares of the legs is equal to the square of the a. shorter leg
b. longer leg
c. sum of the angles
d. hypotenuse

What is the product? (x2+3y+7) [yy+1)

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?