Given:
a square with an area of a² is enlarged to a square with an area of 25a².
The side length of the smaller square was changed when The side length was multiplied by 5.
Area = (1a)² = a²
Area = 1a * 5 = 5a ⇒ (5a)² = 25a²
I believe that the answer to the question asked above is that t<span>he MHR (roughly calculated as 220 minus your age) is the upper limit of what your cardiovascular system can handle during physical activity.</span>
Hope my answer would be a great help for you. If you have more questions feel free to ask here at Brainly.
Answer:
x=y-1/15
Step-by-step explanation: