The ratio of Marys age to her mothers age now is 1:4. five years later, the ratio with be 1:3. How old is mary now?​

Let the closed interval [a , b] be the domain of function f. the domain of f(x - 3) is given by (a) the open interval (a , b) (b) the closed interval [a , b] (c) the closed interval [a - 3 , b - 3] (d) the closed interval [a + 3 , b + 3]

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

If wxyz is a square, which statements must be true? plz < 3