the cost of parking a car at the city lot is $4 for the first hour and x dollars for each additional hour or part of an hour. Max parked his car for 6 hours and paid $8.50. Find the value of x.

The park behind James's house used to have a bike trail that was 12.347 kilometers long. Last year, the trail was reduced to 9.432 kilometers to make space for a meditation garden.

What is (-5) to the - 2 power simplified

What is the metric equivalent in meters to 1250 feet?

A boat whose speed in 15km/hr in still water goes 30 km downstream and come back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is

Which of the following is a fuel that's made from grain or wood products? A. Alcohol B. Gasoline C. Diesel fuel D. LP gas

Solve the following word problem. A man travels from Town X to Town Y at an average rate of 60 mph and returns at an average rate of 50 mph. He takes a 1/2 hour longer than he would take if he made the round trip at an average of 55 mph.

A cell splits in half every 15 minutes. How many cells will there be in 150 minutes (2.5 hours) ?

If the height of a cylinder was tripled, but the area of the base remained the same, what would happen to the volume?

Some cell phone users have developed brain cancer. Should all cell phones come with a warning label explaining the danger of using cell phones?""

Use the distributive property to solve 4 (2x + 9)