Answer: The number of calories increased by 20%.
Step-by-step explanation:
Given : The doctor recommended that Mike increase the number of calories he burns working out from 1,500 to 1,800.
Previous number of calories he used to burn = 1,500
Increase in calories = 1800-1500=300
Now , the percent increase in calories = 

Hence , the number of calories increased by 20%.
Answer:
0
Step-by-step explanation:
-y₁ + y₂\-x₁ + x₂ = m

I am joyous to assist you anytime.
Answer:
Is it a 90 degree rotation? Pretty sure it is
Step-by-step explanation:
I will solve for you right now.