Answer:
-11/14
Step-by-step explanation: first you divide 33/4 and (-21/2), then reduce the numbers to -33/4 times 2/21 after you reduce both fractions multiply -11/2 times 1/7 and you get -11/14 your alternative form would br -0.785714
180=9×w
length=9
width=20
perimeter=58
Answer:
4
Step-by-step explanation:

Answer:
its 1 1/2
Step-by-step explanation:
Its 1 1/2 or 6/5
A reciprocal just flips the fraction
1. 
2.
3. Before it is flipped it is
but it turns into 
Hope this helps!