What elements of other sports are good examples of physics? What other forces can you think of that affect the game of baseball?

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

With number 11 ( show how you got the answer)

Abicycle training wheel has a radius of 3 inches. the bicycle wheel has a radius of 10 inches.approximately how much smaller, in square inches and rounded to the nearest hundredth, is the area of the training wheel than the area of the regular wheel? *