A motorcyclist is riding towards a building that has its top 300 meters higher than her viewing position on the road below. When she is 400 meters away from the building, the motorcyclist notes that the angle of elevation from her position to the top of the building is increasing at the rate of 0.03 radians per second. Find the speed of the motorcycle at the time when x = 400 meters and dθ
dt = 0.03 radians per second.

The monthly texting plan of all star cell is $11 per month and $0.25 per text. the monthly texting plan of top line cell is $14 per month and $0.15 per text. a student wants to set up a system of equations to find the number of texts for which the total monthly cost of the two companies is the same. he uses the variables x and y. he lets y represent the total monthly cost. what will x represent? x = number of texts x = cost of the total number of texts x = total monthly cost x = cost of each text