About 42% of alaska's population lives in the cityof anchorage . if alaska has a total population of 648,818, about how many people live in anchorage?

Aquadratic function f(x) has a turning point at (3,-7). what is the turning point of -f(x)?

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?