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Mathematics 11 Online
OpenStudy (anonymous):

The underlying rock ledge of Canada's Horseshoe Falls is cut back about 2 feet each year by erosion. Calculate how much the rock ledge will erode over a 7-year period of time. (Points : 1) -9 feet -7 feet -14 feet

OpenStudy (anonymous):

-14 feet.

OpenStudy (anonymous):

Maybe medal?

OpenStudy (anonymous):

@Starr_DynastyT Is this right?

OpenStudy (anonymous):

Solve. -6 + z = 8 z = __

OpenStudy (anonymous):

wouldnt it be -2

OpenStudy (anonymous):

No, 14.

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