Right Triangles and the Pythagorean Theorem
The Pythagorean Theorem, a2+b2=c2, a 2 + b 2 = c 2 , can be used to find the length of any side of a right triangle.
The side opposite the right angle is called the hypotenuse (side c in the figure).
Answer:

Step-by-step explanation:
we are given a trapezoid
we want to figure out the area
remember that,

where a and b represent the parallel lines and h represents the height
we get from the pic that a and b are 5 and 15 respectively and h is 7
so substitute:

simplify addition:

simplify division:

simplify multiplication:

since we multiply two same units we of course have to use square unit
hence,

X,x because we dont know its value
Answer:
Step-by-step explanation:I think it's the 2nd one
<em>Answer:</em>
D)(6(-3)/9)
<em>Step-by-step explanation:</em>
<em> -1</em>
<em>Simplify ——</em>
<em> 3 </em>
<em> -1</em>
<em>6 • ——</em>
<em> 3 </em>
<em>-2</em>
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