3 is n and that is the answer
Answer:
me and my teacher say yes
6b+4=2 has one variable
4+6=10 has no variable
He has 30 students in his class because 40% of the class is boys and there is 2.5 40% in 100% so we do 12 x 2.5
Answer:
∠ABD ≅ ∠DBC - Given.
∠ABD and ∠DBC are complimentary angles - Given.
∠ABD + ∠DBC = 90° - Definition of complimentary angles.
∠ABD + ∠DBC = ∠ABC - Angle addition postulate.
∠ABC = 90° - Substitution property.
∠ABC is a right angle - Definition of a right angle.
~Hope this helps!~