Which act outlines regulations to control smoke and other forms of pollution from various sources

A train leaves the station heading north on the tracks. It takes the train 6 seconds to reach 60 miles per hour. It completes the entire 60 mile trip in one hour. Calculate the train's average speed and velocity over the one hour trip.

How would i solve this - 8x + 5 > 11?

Two coins have a radii of 3 cm and 1 cm the smaller coin rolls along the circumference of the fixed larger coin until the smaller coin returns to its original position. How many revolutions has the small coin made?

What is x/2 - 4x = 3x - 13

On Sunday a library checked out 52books. if 24 of the books were fiction what is the ratio of non fiction books to fiction books checked out

At a festival 2/7 of the number of girls was equal to 3/5 of the number of boys. There were 165 fewer boys than girls, how many children were at the festival in all?

What is the equation of 3/4 as the slope and - 3 as the Y intercept

The area of a rectangular table is 323 square feet. If the length of the table is 19 feet what is the width of the table.

What is 2 plus 2? I have to rite 20 characters to ask a question

What is the probability of drawing a black 5 from a standard deck of playing cards?