Simplify. Write the answer with positive exponents.
2
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the equation. Express radicals in simplest form.(2m - 1)2 = -81
A. {8, -10} B. {10, -8} C. ? D. {4, -5}
Mathematics
Factor the difference of two squares.(16x4 - 81)
A. (4x2 + 9)(4x2 - 9) B. (4x2 + 9)(2x + 3)(2x - 3) C. (2x + 3)2(2x - 3)2 D. (4x2 + 9)(4x2 + 9)
Mathematics
Which metric unit should you use to measure the mass of a sack of flour? ?
A. 
B. cg
C. g
D. kg
E. metric tons
Mathematics
Write the decimal number in standard form.Ten and six tenths
A. 0.16 B. 0.106 C. 1.6 D. 10.6
Mathematics