harriet has a bag with eight marbles in it. there are 4 blue marbles, 3 red marbles, and 1 green marble. She will pick a marble out, record which one it is, and put it back into the bag. what is the probabilty of hairret picking a blue marble then a red marble?

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

The function models the number of accidents

(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.