Answer:
140
Step-by-step explanation:
multiply 5x4x7 and u will get ur answer
Answer:
4 r^3
Step-by-step explanation:
sqrt ( 16 r^6 ) = sqrt ( 4^2 * (r^3)^2 ) = 4 r^3
If inserted into a calculator, it should give you around 
Answer: 39.58 cm
Step-by-step explanation:
The circumference of a circle is 2 times the radius times pi or pi times the diameter. so we know the diameter is 12.6 so just multiply it by pie.
12.6 * pi = 39.584
Now rounded to the nearest hundredth is 39.58.
Answer:
x=6 y=-3
Step-by-step explanation: