1. The diagram below. which is not drawn to scale, represents the positions of
three mobile phone masts.
Mast Q is on a bearing of 100% from mast P and is 40km away.
The bearing of mast R from mast Q is 150.
Masts P and R are 66km apart.
Use the information in the diagram to establish the size of angle PQR
(b)
Hence find the bearing of mast P from mast R.

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

Which set of side lengths form a right side? a) 3ft,6ft,5ft b)50 in,48in,14in c)53m,48m,24m d)8cm,17cm,14cm