Solve the equation symbolically.
= 5
A. -5
B. 115
C. -135
D. 135
Answer: D
Mathematics
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Identify the sequence as arithmetic, geometric, or neither.9, -9, 10, -10, 11, -11, . . .
A. Arithmetic B. Geometric C. Neither
Mathematics
Solve the problem.Salve's checking account starts the month with a balance of 
. The following negative entries (withdrawals) are made in the checking register. -15, -85, and -69What is the new balance in her account?
A. $433 B. $633 C. $771 D. $463
Mathematics
Solve the system of equations using Cramer's Rule if it is applicable. If Cramer's Rule is not applicable, say so.
A. x = -3, y = -5; (-3, -5) B. x = 3, y = 5; (3, 5) C. x = 5, y = 3; (5, 3) D. x = -5, y = 3; (-5, 3)
Mathematics
Find the LCD of the list of fractions.
, 
, 
A. 10 B. 6 C. 30 D. 15
Mathematics