One bar of candy A and two bars of candy b have 771 calories. Two bars of candy A and one bar of candy B contain 777 calories. Find the caloric content of each candy bar.

Can u guys do this ratio question. this is extremely urgent a tap is leaking water at a rage of 1l every 8 hours. how long will it take for the tap to leak a total of 300ml?

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?

Inez has a phone card. the graph shows the number of minutes that remain on her phone card a certain number of days.