Solve the system of equations by the addition method.
A. (
, - 
)
B. (5, 3)
C. (5, 15)
D. no solution
Answer: D
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If M is the theoretical maximum charge that a battery can hold and k is a positive constant that depends on the battery and the charger, the length of time (in minutes) required to charge the battery to a given level C is given by
?
.
?
If 
, how long will it take a battery to reach a 70% charge? Assume that the battery was fully discharged when it began charging. Round your answer to the nearest tenths.
?
A. 4.0 minutes
B. 2.7 minutes
C. 0.2 minutes
D. 9.3 minutes
E. 0.0 minutes
Completely factor the polynomial or state that the polynomial is prime.35x2 - 215x + 200
A. (7x - 8)(5x - 5) B. 5(7x - 8)(x - 5) C. 5(7x + 8)(x + 5) D. prime
Determine if the given value is a solution to the equation.
(m - 3) = 
(m + 2) - 
m; m = 
A. Yes B. No
Find a rational inequality whose solution is given.
A. 
? 0
B. 
? 0
C. 
< 0
D. 
? 0