State the most specific name for each figure.
what do i do

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

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

A. what does the point (4, 122) represent? b. what is the unit rate? c. what is the cost of buying 10 tickets?