Answer:

Step-by-step explanation:
we know that
<em>In the right triangle LAY</em>
<em>Find the measure of side LY applying the Pythagoras Theorem</em>

Find the cosine of angle ALY
-----> equation A
<em>In the right triangle LWY</em>
-----> equation B
equate equation A and equation B and solve for LW



Answer=1.78 Explanation:44.50÷25=1.78
Answer:
$ 391
Step-by-step explanation:
It is mention in question that Mrs. Hollern earn 8.5% as commission for every piece of Necklace she sells
Now she sells a necklace cost $ 4,600.
so as per her commission she will take 8.5% of total necklace cost
Thus she will take 8.5 % of $4,600
I.e 
Or, 
Or, $ 391
So it is found that she will get $391 as commission .
Answer:
given;
f(x) = 5x+3
g(x) = x²-3.
Step-by-step explanation:
a f(4)=5×4+3=23
b) f(g(x))=f(x²-3)=5{x²-3)+3=5x²-15+3=5x²-12
C). g( f (2))=g(5×2+3)=13²-3=166