Frank invests 1,000 in simple interest investment account that pays 8% a year. After a number of years, he with draws his balance of 2,200. How many years was money invested?

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.

Complete the steps to find 4.830 ÷ 5

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?