Answer:
Area = 51.89cm^2
Step-by-step explanation:
-9x^9y^5
Do the multiply first:
-16x^9y^5+7x^9y^5
=x^9y^5(-16+7)
=-9x^9y^5
(-4) – 2 = -6
Hope This Helps.!! :)
89
68 plus 21 is 89.
the correct answer is 14