Answer:
B
Step-by-step explanation:
Range refers to all the y values that a function has. The table shows that the function has y values: 1, 2, and 4.
Answer:
About 73 degrees
Step-by-step explanation:
By the law of cosines:

Hope this helps!
Answer:
40,000 is 39,265 rounded to the nearest ten thousands
Step-by-step explanation:
Answer: 
You can write this as (-infinity, 7) if you aren't able to use the infinity symbol.
====================================================
Explanation:
Think of x < 7 as writing 
So x is between negative infinity and 7, excluding both endpoints.
To write
in interval notation, we write
The curved parenthesis tell us to exclude the endpoint.
Answer:
b ≈ 48.6°
Step-by-step explanation:
Using the sine ratio in the right triangle
sin b =
=
, then
b =
(
) ≈ 48.6° ( to 1 dec. place )