Step-by-step explanation:
AC= 8x-14
AC+14=8x
x=(AC+14)÷8
EC=2x+11
EC-11=2x
x=(EC-11)÷2
Answer:
Step-by-step explanation:
Positive integers are of the form 2n
The first term is 2 and the 130th term is 2(130)=260
The sum of this arithmetic sequence is the average of first and last terms times the number of terms
(2+260)(130/2)
17030
Answer:
Equal
Step-by-step explanation:
vertical angels are always equal to one another.
I haven't done triangles in a while but I think 3 is Reflexive Property and 4 is SSS(Side-Side-Side)
