Answer:
3a × 4a = 12 a^2
Step-by-step explanation:
each and every term is multiplied, never leave any term without multiplying it
Answer:
-11
3
5
-24
Step-by-step explanation:
Since they are equal to 90 degrees. (complimentary angles)
6x-11+7x+10= 90
Combine like terms.
13x-1= 90
Add one to both sides.
13x= 91
x= 7
Plug that into the b.
7(7)+10
49+10
59
I hope this helps!
~kaikers