You are designing a 5 Kilometer course for a local charity run. Your assistants provide you with the following measures in yards. You need to convert the distances to kilometers, and then tell your assistants how much further they need to extend the finish line to complete the course.

100 yards

Step-by-step explanation: add the yards, that equals 5368 yards. There are 5468 yards in 5 kilometers. Subtract 5368 from 5468 and you are left with 100 yards.

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1