What is the value of the digit 8 when 3.8 is multiplied by 10 and a small 2?

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

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Solve 3x-18=2y and 5x-6y=6 by elimination show work