I'll mark BRAINLIEST! A hot air balloon started at a height of 2 units. Then it removes 1 sandbag(s). What is its final height?

Suppose that x and y are both differentiable functions of t and are related by the given equation. use implicit differentiation with respect to t to determine startfraction dy over dt endfraction in terms of x, y, and startfraction dx over dt endfraction .

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Arectangle plot measure 20ft. by 30ft. a 3-ft.-wide sidewalk surrounds it.find the area of the sidewalk.