Convert as indicated. When necessary, round to the nearest tenth of a degree.The temperature recorded on a thermometer was 7° C. Find the corresponding temperature in degrees Fahrenheit.

A. 35.9° F
B. -28.1° F
C. 44.6° F
D. -19.4° F


Answer: C

Mathematics

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Determine the degree of the polynomial.-a + 7a3 - 6a7 + 4a2

A. 13 B. 4 C. 12 D. 7

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Find the value of the strategy.Let M be the matrix game having payoff matrix  .Find ?(y) when y = .

A. - 
B.
C. 0
D. - 

Mathematics

Find all points where the function has any relative extrema or saddle points and identify the type of relative extremum.f(x,y) = x2 + 2y2 - xy2

A. Relative minimum at (0, 0) and saddle points at (2, 2) and (2, -2) B. Relative maximum at (0, 0) and saddle points at (2, 2) and (2, -2) C. Relative minimum at (0, 0) and relative maxima at (2, 2) and (2, -2) D. Saddle point at (0, 0) and relative minima at (2, 2) and (2, -2)

Mathematics

Simplify the following expressions.  Simplified expressions must be in lowest terms, and exponents must be positive numbers.

A.
B.
C.
D. none of these

Mathematics