Alayna charges $6.50 per hour to babysit. How many hours does she need to babysit to earn at least $71.50

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

What is the domain of the given function? {(3,-2), (6, 1), (-1, 4), (5,9), (-4, 0); o {x | x= -4,-1, 3, 5, 6} o {yl y = -2,0, 1,4,9} o {x|x = -4,-2, -1,0, 1, 3, 4, 5, 6, 9} o y y = 4,-2, -1, 0, 1, 3, 4, 5, 6, 9}

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle