Answer:
Step-by-step explanation:
what you need to do is look at the question again it say 10 feet above sea level and the other one is 7 feet below sea level. now read your question again hope you find the answer good luck
Answer:
Need more?
Step-by-step explanation:
-x^2 + 3x + 2
Is this the answer?
Answer:
Step-by-step explanation:
Given that,
We need to find the value of cos x.
We know that,
Using the above relation,
So, the value of cos x is equal to 
.
Subsitute -4y for x
-4y+6y=18
2y=18
divide both sides by 2
y=9
sub back
x=-4y
x=-4(9)
x=-36
(x,y)
(9,-36)
