Find the probability. Enter your answer as a simplified fraction.

Picking a purple marble from a jar with 15 green and 15 purple marbles.

The probability of picking a purple marble is

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]

Evaluate the expression for the given value of the variable 7a - 4a for a =8

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?