Name any two points on a horizontal line that is 4 units above the x-axis

What is the value of the expression below? (81^2)^1/8

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 strategy is used by public health to reduce the incidence of food poisoning?