Determine whether test point (-6,4) is a solution to the linear inequality x+y_< 1

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

It takes an ant farm 3 days to consume 1/2 of an apple. at that rate, in how many days will the ant farm consume 3 apples

If a runner who runs at a constant speed of p miles per hour runs a mile in exactly p minutes what is the integer closest to the value p