The cost of a school banquet is $95 plus $13 for each person attending. this can be modeled by the equation c=13x+95 where c represents the total cost in dollars and x is the number of people attending. find the cost for 75 people.

This is different from the first one can someone me

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

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup