Easy! The best answer is B!
PLEASE GIVE ME THE BRAINLIEST I TRIED REALLY HARD ON THIS QUESITON!
Answer:
360 sq. units
Step-by-step explanation:
area of DOIT = (20+20) × (3+6)
= 40×9 = 360 sq. units
Answer:
1 = 144
2 = 80
3 = 192
4 = 1209.6 or 1209
5 = 375
Step-by-step explanation:
Answer:
x= 1 ±√21/3
x= 2.52753
x= - 0.527525
Step-by-step explanation:
-(-6) ±√-6² - 4 (3) (-4) / 2(3)
6±√36 -(-48) / 6
6±√84/6
6±2√21/6
6/6 ±2√21/6
1±√21/3
1+ √21/3 = 2.52753
1-√21/3= - 0.527525
No.5
X=85
No.6
X=80
No.7
X=10
No.8
X=6
No.9
X= -9
No.10
X=29
No.11
X= -6
No.12
X= -7
Hope this helps