Ellie can type 1 page in 10 minutes. how many pages can he type in one hour?

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.

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120

87.5% , 100% , 83.33 , 93.33% , 100% , 82.5% are all the academic points i've gotten this quarter. what's my final grade?