Answer:
4(9a^4+4y^2)
Step-by-step explanation:
factor out common term
Answer:
True
Step-by-step explanation:
In step two he flipped the fraction back to how it was originally but he was supposed to leave it improper in order to multiply
Answer:
x=20 degrees
Step-by-step explanation:
complementary means the angles equal 90 degrees
so ∠A+∠B=90 degrees
∠A=3x-2 and ∠B=x+12
so subsitute
(3x-2)+(x+12)=90
then solve for x
4x+10=90
4x=80
x=20 degrees is your answer
