The fourth term of an arithmetic sequence is 7 and the common difference is 9. whats the 17th term of the sequence?

i think it is c, not positive though

step-by-step explanation:

139 divided by a number

step-by-step explanation:

arc length = radius * x ( in radians)

6 * pi = 18 * x

divide by 18 on each side

6 pi / 18 = x

pi/3 = x

the angle is pi / 3 radians

or   60 degrees

dont't really have enough info here but its likely

sss for the three sides being congruent ( its stands for side side side)

or

sas   for side angle side.   so a side is congruent and and angle and a side