Everything has been explained in there
C
A square can be defined as a rhombus which is also a rectangle – in other words, a parallelogram with four congruent sides and four right angles. A trapezoid is a quadrilateral with exactly one pair of parallel sides.
Answer:

Step-by-step explanation:
Swap the sides of the inequality and flip the inequality sign:

Divide both side of the inequality by -6 and flip the inequality sign:

No, cancellation is not a technique to reduce fractions to its lowest terms because fractions can only be divided by a similar divider
Okay so you have to do 5 times 10 then you will have to do 8 time 8 times 40 so after you get your answer you would do the ratio 50 to 320
50:320