Work out the answers to:
a) 4-7
b) (-3) + 8
c) 9-11
d) (-2) -4

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?

Solutions for 2x+7 less than or equal to 3x-5

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28