Choose the most reasonable unit of measure.One strand of hair: 1 
(mg, g, or kg)
A. mg
B. kg
C. g
Answer: A
Mathematics
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Write the ratio as a fraction in lowest terms.8
to 8
A. 
B. 
C. 
D. 
Mathematics
Find the equation in standard form of an ellipse centered at the origin that passes through the given points.(-7, 0), (7, 0), (0, -5), and (0, 5)
A. 49x2 + 25y2 = 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Simplify and write the resulting polynomial in descending order of degree.-2x5 - 10x4 + 3 + 8x2 - 6 + 6x5 + 4x2 - 2x3 + 8x
A. -2x5 - 10x4 - 2x3 + 8x2 + 8x + 3 B. 4x - 10x2 - 2x3 + 12x4 + 8x5 - 3 C. 4x10 - 10x8- 2x3 + 12x2 + 8x - 3 D. 4x5 - 10x4 - 2x3 + 12x2 + 8x - 3
Mathematics
Use the rules of exponents to simplify the expression. Write the answer with positive exponents. Assume that all variables represent positive real numbers.
A. 
B. 
C. x17/3
D. x13/3
Mathematics