Please I don’t know the answer can you help me please

Find dy/dx using implicit differentiation ln(20+e^xy)=y

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?

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.