What polynomial is a difference of two squares

Charlie does the following problem: 3 3 · 3 2 = 3 6 = 3 · 3 · 3 · 3 · 3 · 3 = 729. Which of the following is a true statement? He is incorrect because he should have 6 factors of 9. He is incorrect because he should have only 5 factors of 3.

What is the range of f (x) = -3^x+4

Problem 1 Helen can type at a rate of 70 words per minute. How many words can she type in 45 minutes?

Find the amount of the discount on a $140 bicycle that is on sale for 30% off A.$98.00 B.$32.00 C.$42.00 D.$4.20

How is finding the area of a rectangle different that finding the area of a parallelogram?

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.