Find all the zeros of the equation. -3x^4 + 27x^2 + 1200 = 0

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

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 sum of the reciprocal of a positive number and the reciprocal of 2 more than the number is 3/4 equation: the number is