Answer:
Ratios are usually proportional if they are the same or have the same relationship.
Step-by-step explanation:
Like: you have 2 fractions that reduce and come out the same they are proportional.
Hope my answer has helped you!
Answer: FIRST OPTION
Step-by-step explanation:
According the quotient of powers property, when you have the division of two powers with the same base, then you must subtract the exponents.
Therefore, keeping the property above on mind, you have that the quotient is the shown below:

Answer:
2
Step-by-step explanation:
(-23 - 11) + (15 + 21)
-34 + 36
36 - 34
2
Answer:
y = 1
Step-by-step explanation:
x + y = 16
x - y = 14 add the equations
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2x = 30
x = 15
x + y = 16
15 + y = 16
y = 1
the numbers are 15 and 1