A man who is 6 feet tall is standing 12 feet from the base of a lamppost. The man's shadow is 5 feet long. How tall is the lamppost? The lamppost is feet tall. (Round to the nearest tenth as needed.)​

If the value of x increases by 5, how does the value of m(x + 3) change? a) it increases by 5m. b) it increases by 8m. c) it decreases by 5m. d) it decreases by 8m.

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.

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a