On a windy morning a hot air ballon starts rising and flying away from the top of a hill. the altitude h, in feet, of the ballon x hours after starting it's ascent from the hill, can be modeled by the function h(x)= -16xsquared +64x +80

d

step-by-step explanation:

by observation, we can see that the the graph is simply the graph of y = |x| that has been shifted 4 units downwards and 3 units to the left.

we can recognize in choice d :

y = | x + 3 |   - 4 (rewriting in general form)

y = | x - (- 3) |   - 4

the "-4 " term means   that the graph has been shifted by 4 units in the negative y direction

the "-3 " term means   that the graph has been shifted by 3 units in the negative x direction

this matches our observation of the graph described above.

e.

step-by-step explanation:

because there are always 10 numbers in a phone number.

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just take the area of the square and then the area of the circle then subtract the circle area from the squares area

step-by-step explanation: