Answer:
-5
Step-by-step explanation:
The equation for slope is:

We can plug in the given coordinates into the equation:

Answer:
4 and 10/2 so actually 9
Step-by-step explanation:
The rationals being closed under subtraction means that if we start with two rational numbers and subtract them, we get another rational number. Choice c subtracts two rational numbers but gets the wrong answer, so isn't support for anything. Choice b is rational too because the square root of 4 is 2.
Answer: b
If that was the end and the question was "How many boxes did she sell?" then the answer is 6 boxes.
Answer:
32/3
Step-by-step explanation: