Simplify. a - {4b - [a - (5b - c) + 3c - (a - b - 9c) ]} - a - 8b + 13c

John was born in 1852. Isaac was born in 1643. How many years apart were they born?

Simplify the fraction and state the GCF 75/225

A ball player gets 11 hits in 40 times at bat. how many hits would you predict in 1000 times at bat

Is it possible to find the product of two mixed numbers by multiplying the whole number parts together, then multiplying the two fractional parts together, and finally adding the two products? Use an example

What is the inverse of f (x) = (3x+2) / (5x-2) ?

Evaluate f³+11g-4h when f=3, g=2, h=11

An=-31 + (n-1) - 11 find the eleventh term

Brian works in the lab and feels an empty cylindrical flask with 200 cubic centimeters of liquid. The flask has a radius of 3 cm and a height of 12 cm. What percent of the volume of the flask is not filled with liquid?

436% of what number is 31.61

If you have zero cookies and share them amongst zero friends, how would you write the equation and solve it?