Evaluate.(-19)2

A. -380
B. 380
C. -361
D. 361


Answer: D

Mathematics

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Write a positive or negative fraction to describe the situation.Rickey gained  pound during summer vacation.

A. - 
B.
C. - 
D.

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Find R2:

R1R2 RT = ÄÄÄÄÄÄÄ when R1 = 3 Kê and RT = 2 Kê R1 + R2 a. 4 Kê b. 6 Kê c. 5 Kê d. 7 Kê e. 8 Kê

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Solve.How many different three-digit numbers can be written using digits from the set {4, 5, 6, 7, 8} without any repeating digits?

A. 10 B. 120 C. 60 D. 20

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Identify the figure as a line, segment, or ray. Then use the correct symbol to name the figure.

A. line segment; 
B. ray; 
C. ray;
D. line; 

Mathematics