Answer:
A is $490 and B is 3990
Step-by-step explanation:
The way I solved this is with my last brain cells, you welcome.


As we can see, x cannot be equal to 3 as 6 cannot equal -6.
I hope I've helped! :)
Answer: Choice A
A trapezoid has only 1 pair of parallel sides, but a parallelogram has 2.
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Explanation:
These terms are just things you memorize. A diagram of two examples is shown below. The example shows a non-rectangular parallelogram, but you could go with rectangles or squares if you wanted to.