Atrain is travelling at an average speed of 150 km/h.
a how far will it travel in 2.4 hours? show your working.
b how long will it take to travel between two stations 525 km apart:
show your working.

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

What is the common difference for this arithmetic sequence? -6,-2,2,6,10 a.4 b.5 c.3 d.6

The federal reserve controls certain interest rates in the united states. investors often try to speculate as to whether the federal reserve will raise or lower rates and by how much. suppose a company conducts extensive interviews with financial analysts, and as a result, predicts that "thefed" will increase rates by an average of 0.25 percentage points every six months for the forseeable future. which type of equation could be used to model the predicted interest rates over the next several years, assuming no other significant changes? a) a linear equation b) a quadratic equation c) a polynomial equation d) an exponential equation