Answer:
The answer is A) 31.2in
Step-by-step explanation:
First I divided 22.4/2.8 to get 8 and ten I multiplied 8 times 3.9 to get the answer 31.2in for the height.
Answer:A
X= -1 or X= -3 . Probably the first one
Answer:b=2.5555555555...
Step-by-step explanation:9b= -23, 9b/9=b, -23/9=2.55555..., b=2.55555...
1200