2x+10y I thinks that’s the answer mb
Answer:
x = 16
Explanations:
The given rquation is:

Step 1: Cross multiply the equations. That is 28 multiplies 4 and 7 multiplies x:

112 = 7x
Step 2: Divide both sides by 7

16 = x x = 16
Answer:
11.4
Step-by-step explanation:
Distance Formula: 
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There are 2 before the decimal point because 3×4=12 and 12 has two digits.
There are 3 after the decimal point because we add together the number of digits after the decimal point in the operands, which is 1 plus 2=3. In all then there are 2+3=5 significant figures.