Determine whether the quantities in the problem vary directly or inversely then solve the problem. 45 trucks, each with 3.5 ton payload are needed to unload a freight train. How many trucks with a 2.5 ton payload would be needed to do the same job

Simplify 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps

Acircle has a circumference of 28.36 units what is the diameter of the circle

The total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?