Prove that there is not any number greater than 600 and less than 700 verifying the following: the figure of the units is one third the figure of the tens, and the inversed number (i. e. the number having the same figures but in the opposite order: abc → cba) is four fiths the original number.

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

The magnitude, m, of an earthquake is defined to be m=log l/s, where i is the intensity of the earthquake (measured by the amplitude of the seismograph wave) and s is the intensity of a “standard” earthquake, which is barely detectable. what is the magnitude of an earthquake that is 1,000 times more intense than a standard earthquake? use a calculator. round your answer to the nearest tenth.

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9