How to use mental math in 56,211 - 6,189?

What is the definition of range?

Write an expression to define f (x+5)

Show complete work. Find the derivative. 1) fx) - 4x^4+8x^3+3, find fo)

Which two pairs of numbers have cubes that add up to 1729? because there are two pairs of numbers to find, you should select a total of four numbers from the list below?

Find the value of 5xy^2? if x=2 and y = 3.

The ratio of dark chocolate candies to white chocolate candies is 3 to 2. There are 18 pieces of dark chocolate. How many pieces of white chocolate are there?

The angle measures in a triangle are in the ratio 1:3:5. The longest side of the triangle measures 5 inches. What is the approximate perimeter of the triangle? 9.0 in. 9.4 in. 11.1 in. 12.7 in.

Martina has 3 bags of tennis balls. There are 6 pink, 5 yellow, and 2 white balls in each bag. How many tennis balls does Martina have in all? Show how you found the answer.

In the xy plane what is the y intercept of the equation how to work it

What is the answer for 7 x + 2y - 6 x