Find the conjugate of the number.-3i
A. 3
B. 
C. 3i + 3
D. 3i
Answer: D
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Perform the indicated operations. Express the answer as a fraction reduced to its lowest terms.
+ 
A. 
B. 
C. 
D. 
Solve for R2:
VT(R1) V1 = ÄÄÄÄÄÄÄ R1 + R2 a. RT(R1 - V1) R2 = ÄÄÄÄÄÄÄÄÄ VT b. R1(VT + V1) R2 = ÄÄÄÄÄÄÄÄÄÄÄ VT c. R1VT R2 = ÄÄÄÄÄÄÄÄÄ (VT + V1) d. R1VT R2 = ÄÄÄÄÄÄÄ V1 + VT e. R1(VT - V1) R2 = ÄÄÄÄÄÄÄÄÄÄÄ V1
Choose the equation that matches the graph.
A. f(x) = -x2 + 4x + 5 B. f(x) = x2 + 4x + 5 C. x = y2 + 4y - 5 D. x = y2 + 4y + 5
Solve the problem.A ball is thrown downward from a window in a tall building. Its position at time t in seconds is 
where s is in feet. How long (to the nearest tenth) will it take the ball to fall 158 feet?
A. 3.1 sec B. 5.3 sec C. 2.3 sec D. 2.1 sec