In a restaurant, the probability that a customer orders steak is 4/10. the probability of the same customer ordering dessert after their meal is ¼. what is the probability that a random restaurant customer will order dessert given that they ordered steak?

a. 1/10

b. 2/8

c. 4/10

d. 5/8

(c) the diagram shows the first three shapes of a matchsticks arrangement.first shape = 3second shape = 5third shape = 7given m represents the number of matchstick used to arrange the n'th shape.(i) write a formula to represent the relation between m and n. express m as the subjectof the formula.(ii) 19 matchsticks are used to make the p'th shape. find the value of p.