Use a calculator to convert from polar to rectangular coordinates. Round to the nearest hundredth, if necessary.
A. (4.6, 1.68)
B. (4.6, -1.68)
C. (-1.68, 4.6)
D. (1.68, 4.6)
Answer: B
Mathematics
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Use substitution to determine whether the given number is a zero of the given polynomial.-2; f(x) = x4 + 6x2 - 40
A. Yes B. No
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Find the LCD and multiply each term by the LCD. Then solve.1 + 
= 
A. x = -9, x = 8
B. x = 9, x = 8
C. x = - 
, x = 
D. x = 9, x = -8
Mathematics
Solve the problem.Find the surface area of the rectangular solid.
A. 105 m2 B. 142 m2 C. 71 m2 D. 210 m2
Mathematics
Complete the identity.
- 
= ?
A. 1 - sin ? B. -sec2 ? C. 0 D. 1
Mathematics