Multiply.(7 - 5i)2
A. 74 - 70i
B. 24 - 70i
C. 24
D. 49 - 70i + 25i2
Answer: B
Mathematics
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Graph.2y2 + 2x2 = 18
A. 
B. 
C. 
D. 
Mathematics
Name the given angle in two other ways.?z
A. ?RTS, ?STR B. ?PTQ, ?QTP C. ?RST, ?SRT D. ?RzS, ?SzR
Mathematics
Find the domain of the function.f(x) = 
- 2
A. {x|x < 2}, or (-?, 2) B. {x|x ? -2}, or (-?, -2) ? (-2, ?) C. {x|x ? 0}, or (-?, 0) ? (0, ?) D. all real numbers, or (-?, ?)
Mathematics
Solve the problem.Your company uses the quadratic model y = -11x2 + 350x to represent how many units (y) of a new product will be sold (x) weeks after its release. How many units can you expect to sell in week 21?
A. 12,201 units B. 7581 units C. 2499 units D. 7119 units
Mathematics