Factor.15x2 - 22xy + 8y2
A. (3x + 2y)(5x + 4y)
B. (3x + 2y)(5x - 4y)
C. (3x - 2y)(5x - 4y)
D. (15x + 2y)(x + 4y)
Answer: C
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Perform the indicated operations.
? 
÷ 
A. 
B. 1
C. 
D. 
Write the equation in polar form.x = 
A. r = 
csc ?
B. r = 
sec ?
C. r = 
sin ?
D. r = 
cos ?
Solve.The pressure of a gas varies jointly as the quantity of the gas (measured in moles) and the temperature and inversely as the volume of the gas. Suppose that the pressure of a particular gas is 
when the quantity is 
the temperature is 
and the volume is 
Find the pressure of that gas when the number of moles is 2, the temperature
is 
and the volume is 
A. 1092 kiloPascals
B. 1131 kiloPascals
C. 2262 kiloPascals
D. 2340 kiloPascals
Solve the problem.Find the exponential function f that models this data. Round the coefficients to the nearest hundredth.
A. f(x) = (1.32)(5.97)x B. f(x) = (1.78)(1.63)x C. f(x) = (5.97)(1.32)x D. f(x) = (1.63)(1.78)x