In the expansion of (a+2x)^6, the coefficient of x is equal to the coefficient of x^2. Find the value of the constant a.​

Can someone me with these two circle theorem questions asap?

Sweet t saved 20 percent of the total cost of the green-eyed fleas new album let there be fleas on earth. if the regular price is $30 how much did sweet save

Jessica is organizing a guided tour of the rain forest. the average profit per person that the touring company makes is given by the rational expression 18x+35/x, where x is the number of people going on the tour. what does the numerator of this rational expression represents?