Find an equation of variation in which y varies inversely as x and the following is true.y = 40, when x = 3
A. y = 
B. y = 
C. y = 13.33x
D. y = 
Answer: D
Mathematics
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Round to the indicated place value.Round 11.689 to the nearest tenth.
A. 11.69 B. 11.6 C. 11.7 D. 11.8
Mathematics
Select the smaller of the two given numbers.18, ?-30?
A. ?-30? B. 18
Mathematics
Use the slope-intercept form to graph the equation.y = 
x - 5
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.x-2/5 ? x3/5
A. x5/6 B. x-1/5 C. x1/5 D. x6/5
Mathematics