Answer:
Part 1) 
Part 2) 
Step-by-step explanation:
we have that
The cosine of angle theta is negative and the tangent of angle theta is positive
That means that the sine of angle theta is negative
step 1
Find 
we know that

we have

substitute




square root both sides

Remember that
In this problem the sine of angle theta is negative
so

step 2
Find 
we know that

we have


substitute the given values

Just add the numbers if the letters are the same only I multiplying do you add the exponents
Answer 14 b^5
<span>The slope-intercept form is y=mx+b y = m x + b , where m m is the slope and b b is the y-intercept.</span>
Answer:
2(-2)-5(-2)+12
-4-(-10)+12
6+12
18
Step-by-step explanation:
3x=40.20.... Each book costed $13.40