I will give you branilest! 1. What is the area of a rectangle if the width of a side is 5x^4y^8 years and the length is 4x^3y^10 yards?
2. If x^7y^4 times x^5y^m=x^12y^10, what is the vaule of m, (missing exponent of y)?

What value of x is in the solution set of –5x – 15 > 10 + 20x?

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?

Acylinder has volume 45π and radius 3. what is it’s height?