Answer: 40 PLEASE MARK BRAINLEST
Step-by-step explanation:

For proportions and to find x we have to cross multiply
8 × (x) = 3 × 2.4
8x = 7.2
Divide by 8 to isolate x

8 and 8 cancels out
x = 0.9
Answer:
give full question. where is diagram.
<h3>
Answer:</h3>
b1-h3, b2-h2, b3-h3.
Step-by-step explanation:
See the image.
Hope that helps! :)
(Can you please mark me as brainliest?)