Provide an appropriate response.You wish to be a millionaire when you retire. To accomplish this you decide to open up an IRA and make equal monthly payments at the end of each month. If the IRA earns 7.5% compounded monthly and you know you will retire in 40 years, what must be the monthly payment to obtain your $1,000,000?
Fill in the blank(s) with the appropriate word(s).
$330.71
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Factor the sum or difference of cubes.
?
A. 
B. 
C. 
D. 
E. 
Solve the equation for x, where x is restricted to the given interval.y = -5 sin 8x, for x in 
A. x = 
arcsin 
B. x = 
arcsin 
C. x = 
arcsin 
D. x = - 
arcsin 
Provide an appropriate response.The control center was suddenly unable to track the satellite when it reached a distance of 128,615 miles from the earth's surface. Write this whole number in word form.
A. One hundred twenty-eight thousand, six hundred fifteen B. Six hundred fifteen thousand, one hundred twenty-eight C. One hundred twenty thousand, eighty-six hundred, fifteen D. One hundred twenty-eight million, six hundred fifteen
Suppose 
measures an economy's personal consumption expenditure and x the personal income, both in billions of dollars. Then, 
measures the economy's savings corresponding to an income of x billion dollars. Then
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?
The quantity dS/dx is called the marginal propensity to save.
?
For the consumption function 
, where 
and x are measured in billions of dollars, find the marginal propensity to save when 
.
?
A. -$0.213 billion/billion dollars
B. $0.874 billion/billion dollars
C. -$0.85 billion/billion dollars
D. $0.119 billion/billion dollars