Answer:
what do you need help wit
Step-by-step explanation:
Answer:
a?
Step-by-step explanation:
You've got it, the answer is 10!
n/18=5/9
9n=5(18)
9n=90
n=10
Answer:

Step-by-step explanation:

The sum of the co interior angles is 180 degrees
Answer:
x=65
Step-by-step explanation:
Step 1: Add -3 to both sides.
√x−1+3+−3=11+−3
√x−1=8
Step 2: Solve Square Root.
√x−1=8
x−1=82(Square both sides)
x−1=64
x−1+1=64+1(Add 1 to both sides)
x=65
Check answers. (Plug them in to make sure they work.)
x=65(Works in original equation)