What words or symbols are used to represent positive and negative integers

Positive +

Negative -

The positive, or plus sign "+" is used to designate positive integers, while the negative, or minus sign, "-" is used to designate negative integers. There is also the absolute value sign, |x|, placing the integer in between two lines, that translates to "distance from zero". Therefore |-8| = 8

It's a trick question, if you read it carefully it says 5% of the students who received As on their final projects also received As on their final exams. And the question is Find the probability that a student chosen at random received an A on both the final exam and the final project. Its the same thing, so its 5% of students