I don't think you finished the ? but what i see the answer is 3/x
next question
11)


they are equal so both are one
then k = -1
be careful the answer of q 10 is in the pictures
<span>If you know that a single point is closed (as a set), then any finite set is closed because they are finite unions of closed (single point) sets.</span>
Answer:
10.5 cm^2
Step-by-step explanation:
Since we have two sides and the angle between those sides, we can use the alternative area formula:

a and b are the two sides while C is the angle in between the two sides.
Plug in the numbers:

Recall the unit circle. Sin(150) is 1/2.

