I hate my math teacher, he literally doesn't help or explain new stuff, he teaches like the 1970's and he gets mad when no one does his 50 question hw assignment

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day

Which of the following represents the length of a diagonal of this trapezoid?