A, b, c and d are four towns. b is 30 kilometres due east of a.
c is 30 kilometres due north of a.
d is 45 kilometres due south of a
work out the bearing of b from c.
calculate the bearing of d from b.

Need same math paper but the back now i hope your able to read it cleary i need with hw

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2