Simplify (2/3 + 1/6).
Write the sum in the simplest form.

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

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.