What the question is asking. and then the second part

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

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?