Answer:
-12
Step-by-step explanation:
Hope this helps :D
Answer:
The slide
Step-by-step explanation:
the slide cause they counting by 5s so there are 35 kids on that slide.
No a polygon only has 3 sides and 3 angles.

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So, we have the following equation...

Remember
and
is the following...

Therefore, 
So, your final answer is
.
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<em>Glad to help!</em>

Answer:
x=4
Step-by-step explanation:
ABCD is a rectangle, so AD and BC are parallel. Thus, The angle complementary to 6x+19 is 47.
6x+19+47=90
6x+66=90
6x=24
x=4