Answer:
No
Step-by-step explanation:
You can only have the same denominator
Example:
2 3 5
- + - = -
9 9 9
Answer: A
Step-by-step explanation: A is the statistical question since it complies many test scores together
Add all the like terms together so 4x-3x is x or 1x -3y-y is -4y 2z+3z is 5z so put them all together it's x-4y+5z
That is permuations
that would be 10! or 10*9*8*7*6*5*4*3*2*1=3628800 ways
No.1
r=9
No.3
r=10.5ft
No.5
C=132m
No.7
C=25.12
No.9
44
No.11
264cm
No.13
97.34m
No.15
47.1
No.17
Am not sure
Hope this helps though