24+b=-15 so b=-15-24=-39, so b has magnitude 39 units and points in the negative y-direction.
Answer:

Step-by-step explanation:
The ratio of a circumference to its diameter is equal to an irrational number, called pi, roughly equal to 3.14, denoted by symbol

Therefore, knowing the diameter d, the circumference is equal to d*π
Answer:
3 to the 3rd power is the answer because 3x3x3=27
Answer is - 10
Step-by-step explanation:
Let the missing number be ‘x’
-8-x = 2
-x = 2 + 8
-x =10
x = -10