In ΔPQR,
P
R
‾
PR
is extended through point R to point S, m∠PQR =
(
2
x
+
14
)
∘
(2x+14)
∘
, m∠QRS =
(
9
x
−
8
)
∘
(9x−8)
∘
, and m∠RPQ =
(
2
x
+
8
)
∘
(2x+8)
∘
. Find m∠QRS

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

If a company produces x units of an item at a cost of $35 apiece the function c=35x is a of the total production costs

Find the values of the variables and the lengths of the sides of this kite.