Solve for the variable.
y - 2 = 
y
A. y = -30
B. y = 60
C. y = -60
D. y = 30
Answer: D
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Find the domain and range and describe the level curves for the function f(x,y).f(x, y) = -3x + 8y
A. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
B. Domain: all points in the xy-plane; range: all real numbers; level curves: lines 
c > 0
C. Domain: all points in the xy-plane; range: real numbers z ? 0; level curves: lines 
c ? 0
D. Domain: all points in the xy-plane; range: real numbers z ? 0 ; level curves: lines 
c ? 0
Write fraction as decimal number. Use bar notation for repeating decimals.
A. 0.
B. 0.
C. 0.73
D. 0.7
Use a calculator to evaluate the expression. Round your answer to three decimal placeslog 
A. -1.838 B. 0.544 C. -0.544 D. -1.253
In the figure, the distance from A to D is y, the distance from D to C is x, and the distance from C to B is h.
?
?
If 
, 
, and 
, find h, then x.
?
Round each answer to the nearest whole number.
?
A. ?
B. ?
C. ?
D. ?
E. 