X, Y and Z are three points on a map. Y is 75km and on a bearing of 190° from X.
Z is on a bearing of 150°, from Y.
Z is due south of X.
Calculate the distance between X and Z rounded to 1 DP.

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.