Using the distributive property, which of the following is an equivalent expression for 3(9 + 15)

What describes horizontal cross section of the right rectangle 6m 8m 5m

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.

Solve this riddle: i am an odd number. i an less than 100. the some of my digit is 12. i am a multiple of 15. what number am i?