The vectors < 4,2> and < -4,-2> are opposite directions and are orthogonal to the vector u = < 2,- 4> . that’s because the dot product of the vectors equals zero. true false

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.

What is the value of x in the diagram below?

In the triangles, tr = ge and sr = fe. if = 3.2 ft, which is a possible measure of ? 1.6 ft 3.0 ft 3.2 ft 4.0 ft