Question 16 1 pts
Emerson drives 135 miles at 60 miles per hour to get to the train station. He waits 20
minutes for a train. Then he travels 350 miles by train at 120 miles per hour. How long is
Emerson's entire trip?
4.4 hours
4.1 hours
O 5.5 hours
5.2 hours

What expression is equivalent to 1/2(2+3x-6)

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 mass of a marine organism, in pounds, p years after it is born is given by the polynomial function r(p) = -4p2 + 300p. find the mass when p = 20 years.