Answer:
A) Sometimes
Step-by-step explanation:
quadrilateral=4 sided figure
paralellogram=4 sided figure with 2 pairs of parallel sides
a trapezoid is a quadrilateral but not a parallelogram
a square is a quadrilateral and a parallelogram
60 times 9 equals 54
54/180 = x/30
Solve for x to get 9
The slide is 9 m long
The answer is the number farthest to the right. So 8
Standard form: 8f + g + 18