(3,-1) just fill it in and the only one that makes sense is the first one
(DVD player+ TV)= 49.36+705.20= 754.56
754.56/12=62.88
She will have to pay $62.88 each time
I think you mean
sqrt x + 5 = sqrt (x+45)
if you plug in x = 4,
left side = sqrt 4 + 5 = 2+ 5 = 7
right side = sqrt (4+45) = sqrt 49 = 7
so the answer is x = 4 :)
Sure with what? what subject?
Ok
it might be easier to conver from yards to inches then flip it
1cubic yard=1yard times 1yard times 1yard
1yard=36 inches
1 cubic yard=36 inches times 36 inches times 36 inches
1 cubic yard=46656 cubic inches
divide both sides by 46656
1 cubic inch=1/46656 cubic yards