Solve the system
x+3y=22
2x-y=2

Find |−5|. a. −5 b. 5 c. one-fifth d. –one-fifth !

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?