z=(63-84)/3= -21/7= -3
P(x>63)=p(z > -3) = .9987 or 99.87%
Step-by-step explanation:
7.5 is an answer because it is example of cantral angle bisector of circle
Bad question. Volume is cubic units, not square units.
They're the same like integers.
First you should interpret it.
For example:
a. -3x + 8x is the same like -3 + 8. You just add x.
Which is 5x.
