Answer:
18/24 for the first one
Step-by-step explanation:

Micah did not explain the last step correctly. You cannot cross out a term from the numerator and denominator unless it is a factor. In other words, x² needed to be multiplied and not added in order to cross it out.
Ok then after that what’s the question ?
Answer:
0
Step-by-step explanation:
she will only use blue yarn