Use the square root property to find all real or imaginary solutions to the equation.x2 - 4 = 0
A. {±2}
B. {±1}
C. {2}
D. {3.5}
Answer: A
Mathematics
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In how many ways can 8 plates be placed on a table?
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Solve.Dave can hike on level ground 3 miles an hour faster than he can on uphill terrain. Yesterday, he hiked 37 miles, spending 2 hours on level ground and 5 hours on uphill terrain. Find his average speed on level ground.
A. 5
mph
B. 4
mph
C. 7
mph
D. 7
mph
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Solve the problem.y varies jointly as x and z. y = 7.5 when x = 75 and z = 10. Find y when x = 55 and z = 10.
A. 55 B. 550 C. 11 D. 5.5
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Use the associative law of addition to write an equivalent expression.mn + (3 + p)
A. nm + (3 + p) B. (3 + p) + mn C. 3n + (m + p) D. (mn + 3) + p
Mathematics