Combine the like terms to create an equivalent expression 2a+6+1

Pj is decorating pupcakes for rocky's birthday party. her color scheme is black, purple, and green. she will use this spinner to determine the color of sprinkles on each pupcake. which model shows the probability of randomly landing on each color?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

See attachment below and find the equivalent of tan(∠qsr)