Since you are given a list of choices, you can go through each choice to plug them into the equations. It turns out that choice B is the answer
(3,1) means that a = 3 and b = 1
Plug in a = 3 and b = 1 into the first equation
2a - 5b = 1
2*3 - 5*1 = 1.... replace 'a' with 3, replace b with 1
6 - 5 = 1
1 = 1
we get a true equation, so we have confirmed the first equation
Do the same for the second equation
3a+5b = 14
3*3+5*1 = 14 .... replace 'a' with 3, replace b with 1
9+5 = 14
14 = 14
we get a true equation, so the second equation has been confirmed
Both equations are true when (a,b) = (3,1). So the answer (3,1) has been confirmed fully
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Answer:
÷ 
Step-by-step explanation:
Evaluate 
÷ 
, then evaluate each given expression to find which of them will give us the same result.
÷
÷ 
(recall: 
÷ 
(changing from division operation to multiplication by flipping the fraction to our right upside down)
Let's compare the expressions in the given options to the value we got above:
Option 1: 3*3⁶
= 3*729 = 2,187 (this is equal)
Option 2: 3⁷ ÷ 3⁰
= 2,187 ÷ 1 (recall: x⁰ = 1, therefore, 3⁰ = 1)
= 2,187 (this is equal)
Option 3: 3³ * 3⁴
= 27*81 = 2,187 (this is equal)
Option 4: ÷
÷ 
÷
(changing from division to multiplication)
(not equal)
÷ i not equal to ÷ .
the first/upper one
the other point cloud is too compact to leave a clear clue about any slope
