They are COMPLEMENTARY ANGLES since they form a right angle or add up to 90°
The answer is b so mark it down
Answer:
25a^2-49
Step-by-step explanation:
1)use FOIL
F=first
O=out
I=inside
L=last
5a*5a+5a*-7+7*5a*7*-7
25a^2-35a+35a-49
25a^2-49
Hope this helps!
Answer:
She is 11.25 years old.
Step-by-step explanation:
I just did 45 divided by 4.
