45
Step-by-step explanation:
45 +2=47
47-2=45
45×2=90
90÷2=45
Answer:
Circumfrence: 40.21
Radius: 6.4
Step-by-step explanation:
For radius, you only have to divide the diameter (in this case 12.8) by 2 which gives us 6.4
For Circumference, plug in the radius in the formula C=2π(6.4), and that gives us 40.21
Answer:

Step-by-step explanation:
we have the expression

For a=-3,b=-2 and c=-4
Substitute the given values of a,b and c to evaluate the expression


Remember that




Answer: A on Edge
Step-by-step explanation: