Explain why the square root of 49 has two possible solutions

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.

Answer pls man im trying to get out of summer school

Ron has 8 caps and 4 of his caps are blue. thes rest of his cap are red. how many of ron's caps are red