Answer:
u = 13
Step-by-step explanation:
78/6 is 13
An= A1 r ^(n-1)
An= -4 (-3)^(n-1)
An= -4 (-3)^(7-1)
An= -4 (729)
An= -2916
I think this is right :)
Answer:
I think that the answer is C
Answer:
Step-by-step explanation:
Answer:
28
Step-by-step explanation:
x + 35 + 2x + 1 = 180
3x + 36 = 180
3x = 144
x = 28