Simplify (2m^2*n^-1) / (18m^3*n^-5)

How many ways are there to distribute n distinct balls into r boxes (a box can contain any number of balls, ranging from zero (none) all the way to all n balls) ?

When constructing an inscribed equilateral triangle, how many arcs will be drawn on the circle? a. 3 b. 4 c. 5 d. 6

you can buy 3 apples at quick market for $1.17. you can buy 5 of the same apples at stop and save for $2.40 which store is the better buy? how much will you save per apple if you purchase it fromthe cheaper store?

Perform the indicated operation (1 - 3i) (5 + 5i) (4 - 1i) =

In the state of Indiana, 302500 people don't drive. If this is 5% of the population of Indiana residents aged 5 years and older, estimate the population of Indiana residents aged 5 years and older.

A school chorus has 90 sixth-grade students and 75 seventh-grade students. The music director wants to make groups of performers, with the same combination of sixth - and seventh-grade students in each group.

Find the area of a triangle base 10 feet, height 15 feet, and 25 feet

What is 23 divded by 4621

What three small numbers have a gcf of 16 and a lcm of 96

If 5 times a number is increased by 4, the result is at least 19. Find The Least Possible number that satisfies these conditiobs