A 64-fluid-ounce bottle of bleach costs $2.56. What is the price per cup?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Twelve less than a number is at most 20

Harry owes the bank money. to repay his debt, he paid $150 back to the bank each month. after 10 months, his remaining debt was $6900. what was the original amount of harry's debt? how long did it take harry to pay back his entire debt?