Solve the problem.The formula 
is used in electrical engineering. The variables I, V, and Z are complex quantities. Find V if 
and 
Express the answer in standard form.
A. 10 + 120i
B. 120 - 10i
C. 120 + 10i
D. 10 - 120i
Answer: A
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 1 at 
minimum: -1 at 
B. Maximum: 8 at 
minimum: -8 at 
C. Maximum: 1 at 
minimum: -1 at 
D. Maximum: 9 at 
minimum: -9 at 
Provide an appropriate response. Choose the symbolic statement for the following verbal statement: Eight subtracted from a number is three.
A. x ÷ 8 = 3 B. 8 - x = 3 C. 8x = 3 D. x - 8 = 3
Solve. Write the answer in simplest form.Marty jogged 
of a mile from home and then rested. Then he continued jogging another 
of a mile until he discovered his watch had fallen off. He walked back along the same path for 
of a mile until he found his watch. Find how far he was from his starting point.
A. 
mi
B. 
mi
C. 
mi
D. 
mi
Simplify.32 ÷ (-8) + (-4) ? 6
A. 0 B. 28 C. -20 D. -28