Ahorse needs to eat 15 pounds of hay every day after y days the horse has eaten 105 pounds of hay

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

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.