Elysse paid for her lunch with a $10 bill and recieved 0.63 in change the lunch special was 7.75 sales tax was 0.47 what was the cost of her drink

Apark is in the shape of a rectangle. the park authorities are planning to build a 2-meter-wide jogging path in the park (shown as the shaded region in the image). what is the area of the jogging path? plz

The hawaiian alphabet has 12 letters. how many permutations are posible for each number of letters?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.