Create a story problem for 1/2 × 6

Find the value of x for which abcd must be a parallelogram -9-6x x-30

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?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base