The elevation of niagara falls which is located between lake erie and lake ontario, is 326 feet. how far is this above sea level?

answear:

a

step-by-step explanation: a

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!