Which of the following is a solution to the equation -2/5x = 10?

Asocial networking site currently has 400,000 active members, and that figure is predicted to increase by 32% each year. the following expression represents the number of active members on the site after t years.

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers