Solve the rational equation.
= 
A. {0}
B. {-4}
C. {4}
D. ?
Answer: D
Mathematics
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Evaluate the integral.
A. 
B. 58
C. 
D. 
Mathematics
R1 = 4.7 Kê, R2 = 3.3 Kê, R3 = 5.1 Kê, E1 = 40 V, and E2 = 20 V.
Find VR .
3
a. 19.28 V
b. 20.46 V
c. 21.21 V
d. 32.81 V
e. 37.05 V
Mathematics
Find the indicated quantity.a3, when a17 = - 
, a28 = - 
A. - 
B. -7
C. 
D. - 
Mathematics
Determine if the test point is a solution to the system of linear inequalities.(2, 2) x - 2y < 22x - y > -2
A. Yes B. No
Mathematics