The town of Lantana needs $14,000 for a new playground. Lantana Elementary School raised $5,358, Lantana High School raised $2,834 and Lantana Middle School raised $2,834 and Lantana High School raised $4,132. About how much more money do they need to raise? Choose the best estimate.

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  

step-by-step explanation:

1)is not similar since corresponding sides are not in the same ratio

2)are similar since corresponding sides are in the same ratio and corresponding angles are equal

hope it will

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