Answer:
<h2>

</h2>
Step-by-step explanation:
To find the value of x we can use either sine or cosine
Using cosine we have
<h3>

</h3>
From the question
x is the hypotenuse
4 is the adjacent
We have
<h3>

</h3>
We have the final answer as
<h3>

</h3>
Hope this helps you
Answer:
Step-by-step explanation:
First what you want to is subtract 7 from both sides, then you want to divide -2/3 from both sides.
Answer:
true
Step-by-step explanation:
7 is the GCF of 21 and 49. Does this help at all?