One fifth of a number plus five times that number is equal to seven times the number less 18

Solve the equation by completing the square. x^2+2x=17

During each minute of a comedy show, carlin laughs 55 times. carlin watches 33 comedy shows every day, and each show is 40 minutes long. how many times does carlin laugh every day due to the comedy shows?

Brad earns $12.75/hr and works 40 hours a week. what is his gross annual income?