25 POINTS. Use the angle addition formula to find the expression for cos(a+b). Use the same formula to find cos(a+a).

Click on the y intercept. -x +4 i know you cant click on it so could you just say the coordinates like (example - (1,0) you so much.

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

Someone me! if you’re smart you can solve this!