Answer:
79
Step-by-step explanation:
Add.
17 + 2 = 19
Multiply.
19 x 4 = 79
Answer:
75
Step-by-step explanation:
alternate interior angles are always equal, so that means 6 = 4 = 75.
Answer:

Step-by-step explanation:
We can treat 20v as a regular number and not a term.
To simplify this square root, we need to break it down into parts which can be squared.

Square root of 4 is 2, so that goes outside the radical.
.
Hope this helped!