Determine the accuracy of the measurement; that is, give the number of significant digits for the measurement.
in
Fill in the blank(s) with the appropriate word(s).
Answer: 3
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Determine whether or not the given equation is linear.6u + 5v = 7uv
A. No B. Yes
Solve the system, using Cramer's rule, if possible.2x + 8y + 6z = 204x + 2y - 2z = -23x - y + z = 11
A. {(2, -1, 4)} B. {(-1, 2, 1)} C. {(2, 1, 6)} D. ?
Find an equation of an ellipse satisfying the given conditions.Vertices: (-4, -2) and (-4,8); endpoints of minor axis: (-7, 3) and (-1, 3)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 0
D. 
+ 
= 1
Solve.Nancy has $7.30 in change. She has three times as many nickels as quarters. She has two more quarters than dimes. How many coins of each type does he have?
A. 17 quarters, 15 dimes, 51 nickels B. 45 quarters, 43 dimes, 15 nickels C. 15 quarters, 13 dimes, 45 nickels D. 15 quarters, 17 dimes, 45 nickels