How many miles of O2 are required to react completely with 3.5 mols of H2

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Jude is making cement for a driveway. the instructions show the amount of each ingredient to make 1 batch of cement. complete each statement to adjust the ingredients for each new situation if jude uses these instructions. to make 5 batches, jude needs to packages of pre-mixed mortar. jude uses 9 quarts of water to make batches of cement. if jude uses 16 packages of pre-mixed mortar, he will need to use quarts of water. to make 0.5 batch of cement, jude should packages of pre-mixed mortar. can you fill in the blanks

An object moves according to the law s = t2 + 5t - 8. what is the average rate of change of s with respect to t in the interval t to (t + △ t)? a. 2t + 5b. 2t + 6c. 2t + (△t)2 + 5△td. 2t + △t + 5