It's estimated that 330 billion photographs are taken each year. If there are 6.9 billion people in the world, how many photos on average is that per person?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

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.

What is the point slope form of a line with slope -5 that contains point (2,-1)