Mariah purchases three hair barrettes by using a gift card, which starts with a balance of $35.79. which expression models her purchase?

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Do you mind if you guys me with this question i’m on number 8