Worth 15 points come answer i need if mary had four cats and got fifteen dogs. one cat and three dogs die and she buys twenty dogs and thirty cats how many animals would she have? a)fifty b)sixty c)sixty five d)sixty six

#12 find the value of x. #13 find the value of the variable.

He expression 2(l + w) is used to calculate the perimeter of a rectangle, where l is length and w is width. if the length is fraction 2 over 3 unit and the width is fraction 1 over 3 unit, what is the perimeter of the rectangle in units? fraction 2 over 3 unit 1 unit 1fraction 2 over 3 units 2 units

Determine the relationship of ab and cd given the following points