Express the number in terms of i.-
A. 
i
B. -
i
C. 
D. -22i
Answer: B
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Solve the following circle graph problems.If rent is represented by 54° on a circle graph showing all expenses, and the cost of rent is $765, how much are the total expenses?
A. $6,120 B. $6,375 C. $4,590 D. $5,100
Perform the indicated operation and simplify. Assume all variables in the radicand are greater thanor equal to zero.3
+ 
A. (3x + 1)
B. 9x
C. (9x + 1)
D. 10
Solve the problem.A balloon (in the shape of a sphere) is being inflated. The radius is increasing at a rate of 1 cm per second. Find a function, r(t), for the radius in terms of t. Find a function, V(r), for the volume of the balloon in terms of r. Find (V ? r)(t).
A. (V ? r)(t) = 
B. (V ? r)(t) = 
C. (V ? r)(t) = 
D. (V ? r)(t) = 
Write the augmented matrix for the system.
A. 
B. 
C. 
D. 