Becca says that she can use elimination to solve the system of equations at the right if she multiples either of the equation by -1 do you agree with becca

Draw the line of reflection that reflects △abc onto triangle δ a'b'c'

This figure consists of a rectangle and semicircle. what is the perimeter of this figure use 3.14 for pi 60.84m 72.84m 79.68m 98.52m

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible