If a coin is flipped 20 times and a head comes up 7 times what is the relative frequency of a heads coming up ?

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Axel follows these steps to divide 40 by 9: start with 40. 1. divide by 9 and write down the remainder. 2. write a zero after the remainder. 3. repeat steps 1 and 2 until you have a remainder of zero. examine his work, and then complete the statements below.

Line wx is parallel to line yz. if m