Use rounding numbers to estimate the sum of 222 + 203

5. Evaluate the function f (x) = 4 • 7x for x = - 1 and x = 2. Show your work.

1. In 1863, President Abraham Lincoln gave his famous Gettysburg Address. It starts, "Four score and seven years ago ... " Four score and seven is equal to 87. How many years are in a score? What year was President Lincoln referring to?

What equation is equivalent to (1/3) ^x=27x+2

The charge gives use 3 money a week how many do they give us 10 weeks

By installing if the scent water fixtures the average American can reduce water use to about 45 gallons of water per day using such water fixtures about how many gallons of water would the average American use in December.

Which expression is equalent to r^9/r^3

What is the equation of the described circle? A) (x - 2) 2 + (y + 3) 2 = 58 B) (x - 2) 2 + (y + 3) 2 = 68 Eliminate C) (x + 2) 2 + (y - 3) 2 = 58 D) (x + 2) 2 + (y - 3) 2 = 68

The difference between the squares of two consecutive numbers is 23. what are the two numbers?

Find the perimeter of a rectangle that is 2 and 1/2 yards by 4 and 1/2 yards

A theater seats 496 people. Of all 8 performances to a play sell out, how many people will see the play?