What is the vertex, maximum or minimum, y-intercept, & roots of h(t)= -4.9t^2+14.7t

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

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?

What is the range for 31,39,29,34,37,24,36,33,34,28