Find the square root. Assume that all variables represent positive real numbers.

A. 4x2
B. 4x5
C. 4x10
D. 16x5


Answer: B

Mathematics

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Simplify the radical.

A. -3 B. -15 C. 3 D. 15

Mathematics

Simplify.

A. 3 
B. 3
C. 7
D. 2 

Mathematics

Solve.A stock worth $264 per share on July 12 dropped to $75 per share on July 31 of the same year. Find how much it lost in value from July 12th to the 31st.

A. $190 B. $199 C. $189 D. $191

Mathematics

Solve the system using the inverse matrix method.

A. x = -1, y = 3; (-1, 3) B. x = -3, y = 1; (-3, 1) C. x = 1, y = -3; (1, -3) D. x = 3, y = -1; (3, -1)

Mathematics