Which two units you would use to measure population density? number of people per square meter and number of molecules per liter number of molecules per liter and number of animals per acre number of people per square meter and number of animals per acre number of grams per cubic centimeter and number of molecules per liter

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?