Answer:
169
Step-by-step explanation:
Surface area (SA) = 2B + PH
SA = 2 (
x 9 x 6) + (7+7+9) 5
= 2 (27) + (23) 5
= 54 + 115
SA = 169 
Answer:
regular polygon of 9 sides has 9 lines of symmetry
Answer: -16
Step-by-step explanation:
-3 is less than -2 so use the first one
Plug into equation
5(-3)-1
-15-1= -16
The 4 in the first one is in the thousands place, the second one doesn't have a 4 and the 4 in the third one is in the hundreds place. Hope this helped.