Answer:
Done
Step-by-step explanation:
Answer:
=m2+6mn+9n2
Step-by-step explanation:
=(m+3n)(m+3n)
=(m)(m)+(m)(3n)+(3n)(m)+(3n)(3n)
=m2+3mn+3mn+9n2
What is ur subject i would lov o help
Answer:
71 degrees
Step-by-step explanation:
A right angle is 90 degrees, so the answer is 90-19=71 degrees.
Answer:
add by 3
Step-by-step explanation:
11-8=3, 8-5=3, 5-2=3