Answer:
-52
Have a great day! Brainliest?
It’s the last one & the second one
The answer is 16 ft because 6 ft tall over 4 feet 6 inches (4.5) is equal to x (tree's height) over 12 ft. You cross multiple and get 72 = 4.5x then you take 72 and divide by 4.5 to get the tree's height

Answer:
D
Step-by-step explanation:
1. calculate the expression
2.multiple reorder
3.remove parenthesis
The answer is No, they are not proportional. This is because 8/42 is not equal to 20/105.