OAB is a sector of a circle centre O and radius 15 cm and AB 16 cm. Calculate to s. f. A) The size in degrees of angle AOB. B) The area in cm square of the shaded region.

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Find the cocordinatse of the point on y axis which is nearest to the point (-2,5)