Answer:
9n-3
Step-by-step explanation:
since 9n has a variable, u can't add or subtract 9n with 3
but if you were multiplying: 9n(3) then it would be 27n
:)
Answer:
120
Step-by-step explanation:
180-50-70=60
180-60=120
Answer:
J. -13-18
Step-by-step explanation:
J will give the value -31
Answer:
1
Step-by-step explanation:
JK and KN is perpendicular.
Thus no planes contained them except 1
Which is a rectangle.
I hope this helps you :)
Answer:
12617.13
Step-by-step explanation:
250(1+0.103)^40= 12617.13
hope it help