The diameter of a Canadian penny is 19 millimeters. The diameter of a Canadian nickel is 21 millimeters. How much greater is the area of a Canadian nickel than
the area of a Canadian penny? Show your work.

Given f(x) = 17-x^2what is the average rate of change in f(x) over the interval [1, 5]?

Polygons efgh and e′f′g′h′ are shown on the coordinate grid: what set of transformations is performed on efgh to form e′f′g′h′? a. a translation 1 unit to the left followed by a 90-degree counterclockwise rotation about the origin b. a translation 1 unit to the right followed by a 90-degree counterclockwise rotation about the origin c. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the right d. a 90-degree clockwise rotation about the origin followed by a translation 2 units to the left

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.