The numbers are increasing by positive 10 each time. So the rate of change is 10.
841 jumping jacks per 4 minutes

Divide both sides by 4.

Delilah can do 210.25 (or 210) jumping jacks per minute.
The Percent Proportion is defined by. amount. ... The base, denoted by the letter b, is the entire quantity or total involved. Note: The number that is the base usually appears after the word of. The amount, denoted by the letter a, is the part being compared to the whole or total.
ANSWER
My answer is in the photo above
Answer:
ab
Step-by-step explanation:
A b and yes it is 1 in a better one day 1