Anaiya ordered a set of brown and purple pins. She received 80 pins, and 80% of them were brown. How many brown pins did Anaiya receive?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?