Answer:
<em>- 2 </em>
<em> + 7x²y - 24y² </em>
Step-by-step explanation:
( 5
- 5x²y + 9y² ) - ( 7
- 12x²y + 33y² ) =
5
- 5x²y + 9y² - 7
+ 12x²y - 33y² =
( 5
- 7
) + ( - 5x²y + 12x²y ) + ( 9y² - 33y² ) =
<em>- 2 </em>
<em> + 7x²y - 24y²</em>
Answer:
60°
Step-by-step explanation:
Angle GHE = (360/6) ÷ 2 = 30
GEH = 180 - 90 - 30 = 60°
Answer:
18+x. Are you kidding us?