Given that x is directly proportional to y with proportionality constant 8, find y when 
.
?
A. 9
B. 25
C. 
D. 136
E. 
Answer: E
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Find the average value of the function f over the given region.f(x, y) = 
over the region bounded by 
, 
, 
, and 
.
A. 
ln 2
B. 72 ln 2
C. 
ln 2
D. ln 2
Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.-2x - 3y - 10z = 9 and 2x + 9y - 5z = 4
A. 1.327 rad B. 1.4 rad C. 1.436 rad D. 0.171 rad
Solve the problem.Trader Tower stands at 2890 feet high. Exchange Emporium is 884 feet tall. How much taller is Trader Tower than Exchange Emporium?
A. -2006 feet B. -3774 feet C. 3774 feet D. 2006 feet
Use the table to solve the problem. Round to the nearest cent.
A bank has $550,000 to lend for 9 months. It can lend it to a local contractor at a simple interest rate of 12%, or it can lend it to a small business that will pay 12% compounded monthly. If the bank wants to maximize its interest earned, who should receive the loan and what is the additional interest earned?
A. Contractor; $2,029.50 B. Business; $2,029.50 C. Business; $925,694.00 D. Contractor; $14,470.50