Solve the problem.In one area, the lowest angle of elevation of the sun in winter is  Find the minimum distance x that a plant needing full sun can be placed from a fence that is 5 feet high. Round your answer to the tenths place when necessary.

A. 9.2 ft
B. 12.4 ft
C. 9 ft
D. 8.6 ft


Answer: C

Mathematics

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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

Mathematics

Provide an appropriate response.Change  to a repeating decimal.

A. 0.77777778
B. 0.77777777
C. 0.
D.

Mathematics

Simplify the complex rational expression using Method 2.

A.
B.
C. 7
D. 7 - a2

Mathematics

Solve for y.10x - 3(x + y) = y - x

A. y = 8x + 4 B. y = 8x - 4 C. y = 2x D. y = 8x

Mathematics