Angles D and G are 80 degrees
Bear in mind that, is an isosceles
right-triangle, so, one angle is 90°.
check the picture below.
3x - 9y - 5x - 7y
Combine like terms
( 3x + - 5x ) + ( - 9y + - 7y )
= - 2x - 16y
4 fits into 24 6 times so 24/4 written as a whole number is 6! I hope this helped :D