Richard will increase the amount of time he studies each night from a period of 40 minutes to a period of 50 minutes by what percentage will Richard increase the amount of time he studies each night? A. 80%
B. 25%
C. 35%
D. 40%

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points

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?