If the number is negative, write it with a raised negative sign; if the number is positive, write it in two ways.The temperature was 82.4 degrees below zero.

A. 82.4 degrees
B.  degrees or 82.4 degrees
C.  degrees
D.  degrees


Answer: C

Mathematics

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Solve the differential equation.2 - 9 + 9y = 0

A. y = C1e6x + C2e3x  B. y = C1e-3x + C2e(-3/2)x  C. y = C1e3x + C2e(3/2)x  D. y = C1e3x + C2e(-3/2)x 

Mathematics

Construct a truth table for the statement.~[p ? (~q)]

A.

TTT
TFF
FTF
FFF

B.
TTF
TFF
FTF
FFT

C.
TTT
TFF
FTF
FFT

D.
TTF
TFT
FTT
FFF

Mathematics

Solve. = -15

A. -112 B. 224 C. 112 D. no real-number solution

Mathematics

Which method should be used to solve the system? Explain your answer, including a description of the first step.-9x2 - 7y2 =4-3x - 3y =-2

What will be an ideal response?

Mathematics