1. Rana is at the top of a cliff and sees a seal in the water. If the cliff is 40 m above the water and the angle of depression is 52°, what is the horizontal
distance from the seal to the cliff, to the nearest m?

2. Ahmed is on the top deck of a cruise ship and observes two dolphins
following each other directly away from the ship in a straight line.
Ahmed's position is 154 m above sea level, and the angles of depression
to the two dolphins are 35° and 36º. Find the distance between the two
dolphins to the nearest meter.

First, think of what you know. you know that the number t the end of the equation will need to be subtracted because it is the money he lost from buying the lawn mower. and your first two weeks have negative profit, so that tells you that c and d are wrong. now you can plug any of the weeks into a and b to see which one works. i'll start with plugging week 1 into a.this isn't right because it says your answer for week one should be -90.so now we need to try the same thing with b.this one got you the right answer, (sometimes if you only check with one of the weeks multiple will work so you need to check with more of the weeks, but it worked out fine here)this means that b is the correct answer.let me know if you need more clarification. i hope this : )