Answer:
summation
Step-by-step explanation:
This symbol is the summation symbol
It means to sum what comes after it
Answer: number 1
Step-by-step explanation:
That is how you would write the ratio word for word.
- hope this helped!
Number 7 is C, im not sure about 6 though
The best estimate would be 121/15 = 8.1
The answer is B because 674.30 divided by 306.5 equals 2.2 or $2.20