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Ill mark u as brainlest if ur answer is clear
Thank you

Step-by-step explanation:

To solve this question you need to know some properties of a parallelogram which is the shape given.

Firstly, remember that in a parallelogram opposite angles are equal.

Secondly, remember that the diagonals of a parallelogram bisect each other.

Lastly, remember that the sum of the interior angles of a quadrilateral or a parallelogram is 360°.

So, by using the first property we can see that because PQR=70° then PSR must be equal to 70° as well.

Now, we can use the last property to find SPQ then, use the second property to find .

Let's name SPQ, .

and That gives:

Subtract 140 from both sides:

So, SPQ=110 and

Now using the second property we can find that:

SPQ=

And

Hope this helped.

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

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step-by-step explanation:

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