53:20 If f(x) = 4 – x2 and g(x) = 6x, which expression is equivalent to (g – f)(3)?
6 – 3 – (4 + 3)2
6 – 3 – (4 – 32)
6(3) – 4 + 32
6(3) – 4 – 32

The equation y=mx+b is the slope-intercept form of the equation of a line. what is the equation solved for b? y-m=b y-mx=b y/mx=b y/m-x=b

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years

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