How do you factor x squared - 4x+4

Tony began putting together a rectangular puzzle. He completed the top edge and edge of the puzzle, as shown below. piece is a square that has a side length of Each 21 centimeters.

On a scale drawing, 1 millimeter equals 4 centimeters. If a line on the drawing is 45 millimeters, how many meters is it actually?

How much of an increase is $5000 to $6500 in percent

Joshua wrote four checks last month, and these were the only transactions for his checking account. According to his check register, his balance is $196.13, but the bank statement he just received says his balance is $218.31.

What is the y intercept of 5

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.