If your income increases by $400 and you consume only $250 of it and save the rest, your marginal propensity to consume is equal to  

  What is the key identity of the balance of payments?  

What would the nurse do if the health care provider has prescribed a bronchodilator and an inhaled corticosteroid medication for a patient with asthma, and both are scheduled to be administered at the same time?

Identify the quadrant for the angle θ satisfying the following conditions. (2 pts)tan θ < 0 and sin θ < 0

Find the measure of each angle in the problem.

Solve the problem. (5 pts)A conservation officer needs to know the width of a river in order to set instruments correctly for a study of pollutants in the river. From point A, the conservation officer walks 100 feet downstream and sights point B on the opposite bank to determine that θ = 30° (see figure). How wide is the river (round to the nearest foot)?

Evaluate the expression. (2 pts)cot 270°

Without using a calculator, give the exact trigonometric function value with rational denominator. (3 pts)sec 30°

Bonus (3 pts)Solve the problem.A ship travels 82 km on a bearing of 24°, and then travels on a bearing of 114° for 162 km. Find the distance from the starting point to the end of the trip, to the nearest kilometer.

Find the angle of least positive measure coterminal with the given angle. (2 pts)-116°