Mr. Ledger buys a box of 24 donuts for a lesson in his math class about the circumference.
Write an equation for the number of donuts y that is left at the end of the day when xxx donuts are used during the lesson.
Last year, Mr. Ledger used 18 donuts during the lesson. This year, he used 22 donuts.

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 statement is true? 2x^2-9x+2=-1

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827