Evaluate the expression when a=5 and b= -5.
-a +8b

The number of pages in the u.s. tax code exceeds the number of pages in the king james bible by 18,528. the combined number of pages in the tax code and the bible is 21,472

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0

What rotation was applied to triangle def to create d’e’f’?