a driver sets out on a journey. for the first half of the distance she drives at the leisurely pace of 20 mi/h; she drives the second half at 60 mi/h. what is her average speed on this trip?

When graphing a linear equation that is written in the form y=mx+b, the variable m represents the y-intercept. assuming that b> 0, which of the following best describes how reversing the sign of b would affect the graph? a) the new line will be shifted down b units b) the new line will be shifted down b x 2 units c) the new line will be a perfect reflection across the x-axis d) the new line will be a perfect reflection across the y-axis

You can reduce glare in snowy weatuer by?

What did pavlov initially notice about the animals in his original research after conditioning took place?