Answer:
9b+1
Step-by-step explanation:
combine like terms
7b-1b+3b=9b
are you looking for the answer??
Answer: x=4.5
not sure if it’s correct if it’s not i’m sorry
Answer: 52.7856cm
Step-by-step explanation:
Circumference of a circle = 2πr
Note that radius = Diameter / 2 = 16.8/2 = 8.4cm
Circumference = 2πr
= 2 × 3.142 × 8.4
= 52.7856cm
Therefore, the circumference of the circle is 52.7856cm
