Which expression is equivalent to g−m ÷ gn?

g−m + n
g−m ⋅ n
g−m − n
g−m ÷ n

What is the inverse of the function f(x) = 2x + 1?

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.

Hundred and tens tables to make 430 in five different ways