T(m)=-70 +280 × e ^ -0.45m where m is in minutes and T is in degrees Fahrenheit. How many minutes will it take for the object to cool to 100 degrees? show step to your solutions and round answer to the nearest whole minute.

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pleease help.

Solve |2x - 5| = 4 if anyone could , that would be great

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed

Rewrite the following quadratic functions in intercept or factored form. show your work. f(t) = 20t^2 + 14t - 12