Triangle ABC has the coordinates A(8,4) B(12,4) C(16,12) if the triangle is dilated with a scale factor of 1/4 what are the new coordinates

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

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

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?