Provide an appropriate answer.Find 
when u = 4 and v = -5 if w(x, y, z) = 
, x = 
, y = u + v, and z = 
A. 
= - 
B. 
= - 
C. 
= - 
D. 
= 
Answer: B
You might also like to view...
Classify the number as a natural number, whole number, integer, rational number, irrational, and/or real number. The number may belong to more than one set.639
A. natural number, integer, real number B. whole number, integer, rational number, real number C. natural number, whole number, integer, rational number, real number D. natural number, whole number, integer
Simplify the expression by using a sum or difference identity.sin (25°) cos (95°) + cos (25°) sin (95°)
A. - 
B. 
C. - 
D. 
Solve the system of equations. [Hint: Let u = 
and v = 
, and solve for u and v. Then let x = 
, and y = 
.]
A. x = 
, y = -8; 
B. x = -8, y = 
; 
C. x = - 
, y = 
; 
D. x = 
, y = - 
; 
Solve the problem.A boat goes 490 miles downstream in the same time it can go 420 miles upstream. The speed of the current is 8 miles per hour. Find the speed of the boat in still water.
A. 91 mph B. 96 mph C. 104 mph D. 112 mph