Convert to Fahrenheit. Use the formula F = 
C + 32 or F = 1.8C + 32. Round your answer to the nearest tenth if necessary.15°C
A. 33.4°F
B. 40.3°F
C. 84.6°F
D. 59°F
Answer: D
Mathematics
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Find a general term, an, for the given terms of the sequence.-3, -6, -9, -12, -15, . . .
A. an = 3n
B. an = -3n + 1
C. an = - 
D. an = -3n
Mathematics
Perform the operations.-4 ? 5 + 11
A. -31 B. -9 C. 24 D. -64
Mathematics
Find the values of x and y.
= 
A. x = -14, y = 8 B. x = 0, y = 0 C. x = 4, y = -7 D. x = -7, y = 4
Mathematics
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.x + 8y + 8z=87x + 7y + z=18x + 15y + 9z=-9
A. (-1, 0, 1) B. (0, 0, 1) C. (1, -1, 1) D. no solution
Mathematics