Multiply. Write the result in the form a + bi.(7 + 5i)2
A. 74 - 70i
B. 24 - 70i
C. 24 + 70i
D. 74 + 70i
Answer: C
Mathematics
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The speed of an airplane with a tailwind is 273 miles per hour, and with a headwind 223 miles per hour. On a day with no wind, how far could the plane travel on a 3-hour fuel supply? ? Please enter your answer as a number without the units.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify the rational expression.
A. 
B. 
C. 
D. 
Mathematics
Determine whether the equation defines y as a function of x. y = x4
A. function B. not a function
Mathematics
Multiply and simplify.
? 3b
A. 
b
B. 
C. 
D. 11b
Mathematics