Please help diagnostic is due today!! Which expression represents the length of hypotenuse ,C, of the triangle below?

A. √a^2 - b^2
B. a^2 + b ^2
C. a^2 - b^2
D. √a^2 + b^2

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Given the following linear function sketch the graph of the function and find the domain and range. ƒ(x) = -5x + 4