1. Find the GCF of 3x3y5z and 21xy3z4. 2. Is √(x) – 7 a polynomial? Explain why or why not.

3. Is x5 + x2 + x a polynomial? Explain why or why not.

4. What is the degree of x5 + x2 + x? How do you know?

5. Simplify (3x3 + 8x2 – 2x + 4) + (6x2 + 4x + 4).

6. Simplify (5x4 – 3x2 + 7x – 10) – (2x4 – 3x3 + 6x – 17)

7. Multiply 9x3(4x + 7)

8. Multiply (3x – 1)(5x – 9)

An alternative to car buying is to make monthly payments for a period of time, and then return the vehicle to the dealer, or purchase it. this is called

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.

Me with this assignment ! i only partially understand, so explain. also it's a work sample. at the championship bike race, steve and paula were fighting for first place. steve was 175 feet ahead of paula and had only 300 feet left to go. he was very tired and was going only 9 feet per second. paula was desperate to catch up and was going 15 feet per second. who won the bike race and by how far did she/he win?