The perimeter of a rectangular deck is 90 feet. the deck's length is 5 feet less than 4 times it's width. find the length and width of the deck.

He amount of carbon-14 present in animal bones t years after the animal's death is given by p(t)equals=upper p 0 e superscript negative 0.00012097 tp0e−0.00012097t. how old is an ivory tusk that has lost 26% of its carbon-14?

Which of these is and example of a literal equation? a) 6+30=6^2 b)3x-4y c)12=9+3x d)ax-by=k

The square root of 9x plus 7 plus the square rot of 2x equall to 7