Answer:
true on all but the last one
Step-by-step explanation:
the last one is false because a trapezoid is considered a quadrilateral that has exactly one pair of parallel sides.
The first option reduces to 1 and the second one reduces to -1.
Answer:
If you have to find y you would get rid of the x. so if the x is alone then you do the opposite of the equation to get y by it's self and when you do you have what y equals to
Step-by-step explanation:
Answer:
{y,x} = {17/2,-11}
Step-by-step explanation:
·_21.21
25l546. 25 goes into 54 twice with a remainder of 4
l50↓
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l 46 25 goes into 46 once with 21 left
l 25
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21