Answer:
-4a^2 -7a^2 - 2ab +3ab +9b^2 -5b^2
11a^2 + ab +4b^2
Step-by-step explanation:
25/12.5 = 40/y
cross multiply
(25)(y) = (12.5)(40)
25y = 500
y = 500/25
y = 20 <====
Answer:
Chris evans
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
Multiply two of the side lengths
10×10 = 100
The answer is x = 10/3. You just have to add 21 to both sides of this equation then simplify. Hope this helped!