Pick the expression that matches this description:

a polynomial of the 5^th degree with a leading coefficient of 7 and a constant term of 6

choose 1

(choice a)

7x^6-6x^4+5

(choice b)

6x^7-x^5+5

(choice c)

6x^5+x^4+7

(choice d)

7x^5+2x^2+6

Write the expression 7x^3-28xy^2 as the product of 3 factors

Astore is having a sale in which all items are reduced by 20 percent. including tax, jennifer paid $21 for a pair of shorts. if the sales tax is 5 percent, what was the original price of the shorts

This size running track is usually called a 400 meter track. however if a person ran as close to the inside as possible on the track they would run less than 400 meters in one lap. how far away from the inside border would someone have to run to make one lap equal exactly 400 meters