Simplify.i21
A. 1
B. -i
C. i
D. -1
Answer: C
Mathematics
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Find the exact value using a double-angle identity.sin 
A. - 
B. 
C. 0
D. - 
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Use the table to solve the equation.5 - 2x = 1
A. x = 1 B. x = 4 C. x = 1.5 D. x = 2
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Three boxes-I, II, and III-contain three red and two green chips, two red and four green chips, and four red and five green chips, respectively. A box is selected at random and a chip is drawn at random from the box .What is the probability that the chip is green?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the equation and check your solution.
- 
= 
- 
A. x = 
B. x = - 
C. x = 
D. x = 
Mathematics