Solve.y varies jointly as x and z. If y = 756 when x = 6 and 
find y when x = 3 and 
A. 54
B. 42
C. 81,648
D. 126
Answer: B
Mathematics
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Use the distributive property to factor the following.x2 - xy
A. x2(1 - y) B. x(x - y) C. y(x - y) D. x2(x - y)
Mathematics
Determine whether the given points are on the graph of the equation.y = x3; (-6, -216)
A. Yes B. No
Mathematics
Convert the units.161 g = 
kg
A. 16,100 kg B. 161,000 kg C. 0.0161 kg D. 0.161 kg
Mathematics
Suppose that, for a certain exam, a teacher grades on a curve. It is known that the mean is 70 and the standard deviation is 8. There are 50 students in the class. What score would be necessary to obtain an A at least?
?
?
__________ or above
Fill in the blank(s) with the appropriate word(s).
Mathematics