Can you write an expression for 5x5x5x5

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

What rule describes a dilation with a scale factor of 4 and the center of dilation at the origin?

Grading scale 1 has the following weights- (tests- 50% quiz- 25% homework- 15% final exam- 10%). calculate your final average if your performance in the class is as follows-test grades- {88, 84, 90, 75, 70, 81); quiz grades- {88, 67, 90, 90, 45, 99, 76, 98, 100}; homework- 90; final exam- 75