Answer:
468
Step-by-step explanation:
=13[42-6]
=13 (36)
=13×36
=468
Answer:
<h3>
a. a₁=7, b. a_n=7n+1, c. a₂₀=141</h3>
Step-by-step explanation:
a.

b.

c.

1. C -9
2. B 7.5
3. A -4
4. C 65
Answer:
GI or HJ
Step-by-step explanation:
Diagonals connect non-adjacent vertices.
That is, the diagonal with G as an endpoint will not connect to vertices H or J, but will connect to vertex I. Likewise the diagonal with H as one end will have J as the other end. A quadrilateral has only two (2) diagonals. Of course, each can be named two ways:
GI or IG
HJ or JH