Answer:
9
Step-by-step explanation:
(9*3) = 27 which is 20 more than 7
Answer:
a = 2b/c
Step-by-step explanation:
Answer:The area of a circle with diameter 3.5 is 7
Step-by-step explanation:
Answer:
x = 12
Step-by-step explanation:
The sum of the two smaller angles is 140
80+5x = 140
Subtract 80 from each side
80+5x-80 =140-80
5x = 60
Divide each side by 5
5x/5 = 60/5
x = 12