There are two numbers. One number is twice the other number . The difference of the smaller number and half the larger number is 20. an equation created to find the smaller number will have to be A. No solution
B. One solution
C. Infinitely many solutions

This is the number of parts out of 100, the numerator of a fraction where the denominator is 100. submit

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?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?