Answer:
d) 
because that would be the same as 
Answer:
The answer is 6 ratio because when you divide these two number then the anwer is 6
Answer:
420/30=14 beats per second, meanin 1680 beats is your answer.
Step-by-step explanation:
Let x = width of border
Area is given to be 7 square feet or 49.
49 = (2x + 2)(2x + 4)
Solve for x.
Divide distance walked by time:
2 1/4 miles / 2/3 hours = 3 3/8 miles per hour
