Elena goes for a long walk. This graph shows her time and distance traveled throughout the walk. What was her fastest speed, in miles per hour? *And I don't think it is A by the way??? Can you help? A.) 3 mph

B.) 2 mph

C.) 4 mph

E.) She is not moving

assuming you mean addition: addition and subtraction are reverse operations.

step-by-step explanation:

true

explanation:

146%

step-by-step explanation:

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )