3. A photograph is 40 cm long and 20 cm wide. Find its area.

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

The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -4