Answer:
c
Step-by-step explanation:
its right
Since the formula for the area of a circle is Pi x r squared, the area would be 81 x Pi (you teacher may want you to use Pi as 3.14 or put it in your calculator).
Answer:
16
Step-by-step explanation:
adding any two sides of a triangle is allways greater than the third side
Decimal: 3.5
350 divided by 100 = 3.5
Percentage: 350%
Move the decimal 2 times to the right
3.5 -> 350
Add a percent sign
Answer:
2(x+5)*(x-9)
Step-by-step explanation: