Answer:
answer below
Step-by-step explanation:
They want you to put the first fraction in mixed numbers.
21/5 divided by 4/5
When dividing fractions flip the second fraction
21/5 times 5/4
Then multiply across
105/20 = 21/4 or 5.25
1.4
Step-by-step explanation:
For AD to be parallel 2x+4º should be equal to 79º
2(37)+4 = 78º
78º<79º
Since they aren't equal the lines are not parallel to each other.
4xy^2
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