if ron was able to play for 3 hours and for every chore he does he gets an extra 1 hour and 15 minutes per chore he did and if sam gets to play for 8 hours and for every chore he does he get 45 minutes extra how many chores would they have to do to get the exact amount of game time?

The third stage of cellular respiration is (2 points)

Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2

The united states uses which source of energy to produce almost 40 percent of its electricity