Mari has 28 wooden cubes she what's to stack them to form a triangle each row will have one block fewer then the row below it how many blocks will be in the bottom row of the pyramid?

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

In the diagram of circle a what is m

The graph of g(x) is a translation of y = which equation represents g(x)?