Answer:
6 3/8, 6 1/2, 6 3/4, 6 5/6
Step-by-step explanation:
I recommend converting everything to decimals, so 6.375, 6.5, 6.75, and 6.833.
Hope this helps :)
Answer:
and 
Step-by-step explanation:
Recall that
is a value of the function cosine for the special angles:
and
, then:

Answer:
6: 12
7: 14
8: 16
Step-by-step explanation:
You do the last (y) term given [18] minus the first (y) term [10] given divided by how many terms it takes to get from the last (y) term given minus the first (y) term given [4]. So the equation looks like this:
(18 - 10)/4= 8/4 = 2
The formula for finding time is the distance divided by the velocity.So the answer is 100÷30=3.3333...