1-A teacher started his class at 7:00 and 15 min and finished at 8:50 a. m. How many minutes did class last? 2-Doing physical exercises for 50 min per day for 20 days, how many hours will be spent per month to do these exercises?

3-In a school each class lasts 50 minutes and each class has 5 lessons per day. Knowing that there is a 30-minute break, calculate how many hours students spend per day at this school.

help me please

explanation:

on disadvantage of hydroelectric power is the cost. another disadvantage of using hydroelectric power is finding a water source powerful enough to harvest hydroelectric power.

plato users

given bodies of water

pacific / arctic / indian / southern

[ a ] the caribbean sea

[ b ] the northern ocean

[ c ] the atlantic ocean

[ d ] the barents sea

with this being the given answers

b exhibiting favoritism toward the kikuyu people.