The benefits of cardiovascular exercise include ! ?

Reduced depression and reduced appetite and also improved hearing.

Step-by-step explanation:

cardiovascular exercise improves health, control blood pressure, maintain sugar level and decrease risk of heart disease.

Cardiovascular exercise include, walking, running, cycling, swimming etc. These movements make them stronger and stronger muscles.

Benefits of cardiovascular exercises are: It burns fat and calories for weight loss, makes the heart stronger and keeps healthy, reduce the risk of high blood pressure, diabetes, improves hearing, reduce depression, reduce appetite and some forms of cancer.  

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.