Well, you start at 50. For every wrong answer you lose 3 points. Lost 15, so there were 15/3=5 wrong answers.
Answer:
a. two column proof
Step-by-step explanation:
This is a two column proof, for 2 columns are given to you.
One column is the "Statements" column, which lists everything in mathematical terms.
The other column is the "Reasons" column, which lists everything by definition (either Theorem, Postulate, or Definition).
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Answer: Degree = 3
Explanation:
The degree of any single variable monomial is simply the exponent itself.
For stuff like 
, you'll need to add the exponents to determine the degree.
Answer: the cell phones with no case
Step-by-step explanation:
this is because this is the option that neither the subject nor the group is tested for the dependent variable which is what helps you find a conclusion.
