When trying to find the highest coefficient is the highest number even though negative the highest coefficient

If 20% of a number is 35, what is 50% of that number?

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Which of the following describes the symmetry of the graph of y = x3?