If we know that u varies inversely as x and y =8 when x=15, what is y when x=10? what is the constant of variation?

The function show two sisters' savings account and the rate at which they plan to deposit money

If there are 3.281 feet in 1 meter, how many inches are in one centimeter

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.