Answer:
knowledge of math skills.
Step-by-step explanation:
Analyzing the above question, it can be considered that Jessie used her knowledge of math skills, because before she placed an order for the necessary materials, she measured and measured again to make sure her numbers were correct, so she could only check the numbers and the veracity of your measurements, if you have mathematical knowledge.
It follows that Jessie has knowledge and skills in mathematics, for having information learned about mathematics, and skills for knowing how to apply her knowledge, as demonstrated in the question.