Y-intercept 168
x-intercept (-21)
Answer:

Step-by-step explanation:





Hope this helps :)
Answer:
p: -6
q: 8
r: -4
Step-by-step explanation:
cant really explain vertices
Answer:
112
4 to the second power is 16, multiply by 7 get 112
Step-by-step explanation:
A common denominator is when the denominators (bottom number) of two fractions are the same. Fractions must have a common denominator to be added or subtracted.
A common multiple is when two numbers can be multiplying to the same number. Ex) A common multiple of 3 & 4 is 12
A common multiple of 6 & 2 is 18
You would need to know the common multiples of numbers in order to make fractions have a common denominator.