Abag contains 3 marbles, 3 rocks, and 3 pencil erasers. hilde will take one item from the bag without looking. what is the probability that she will not choose a rock?
a) 1/9
b) 1/3
c) 2/3
d) 8/9

(me and a friend are arguing over this, she thinks it's b, i think it's c. ? )

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

(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.

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters