A skydiver is at a height of 1.5 km and is trying to land on a platform in front of her. She looks down at an angle of depression of 48° to see the beginning of the
platform and an angle of depression of 42° to see the end of the platform. What is
the length of the platform? Round to the nearest tenth of a kilometer.
someone please help me!

1. are the triangles similar and if so why? what is the value of x? show your work.

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6