Multiply.(6 - 6i)(5 + 7i)
A. -42i2 + 12i + 30
B. 72 + 12i
C. 72 - 12i
D. -12 - 72i
Answer: B
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Provide an appropriate response.Consider the linear equation in three variables 
. Find a pair of linear equations that, when considered together with the given equation, will form a system having infinitely many solutions.
What will be an ideal response?
Assign as indicated using the Huntington-Hill method.A health club instructor has a course load that allows her to teach seven two-credit hour classes. A pre-registration survey indicates the following interests:54 want to take high-impact aerobics28 want to take low-impact aerobics14 want to take jazzercise7 want to take step exerciseAssume that the instructor will teach at least one class for each activity. Apportion the remaining three classes.
A. One each of high-impact aerobics, low-impact aerobics, and step exercise B. One each of high-impact aerobics, low-impact aerobics, and jazzercise C. Two of high-impact aerobics and one of low-impact aerobics D. One of high-impact aerobics and two of low-impact aerobics
Solve the equation.e x + 4 = 7
A. {ln 11} B. {e7 + 4} C. {ln 7 - 4} D. {e28}
Find the LCD for the fractions in the list.
, 
, 
A. n2 + 36 B. 36n2 C. n(6 + n)(6 - n) D. n + 6