The side lengths of a triangle are 5, 12, and 13, is this a right triangle?

Solve for x, y, and z. show all steps.

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

An apartment has a replacement cost of $950,000 and contents valued at $1,450,000. it has a classification of a and a territory rating of 3. find the annual premium a) $10,185 b) $9,230 c) $3,155 d) $13,830