For the Rule of 78, for a 12 month period, the last term in the sequence is 12 and the series sums to 78.
For an 14 month period, the last term is and the series sum is .
For a 16 month period, the last term is and the series sum is .
For a 20 month period, the last term is and the series sum is .

a triangular prism is a 3 dimensional shape composed of triangles and rectangles. it is made from two triangular bases and three rectangular sides.  

step-by-step explanation:

x-intercept:

(

−

1

+

√

7

,

0

)

,

(

−

1

−

√

7

,

0

)

y-intercept:

(

0

,

−

6

)

its less than 713.21 but greater than 5.2

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