Which complex number will be located above the real axis and to the left of the imaginary axis?

a) 4i
b) 2-4i
c) 4i-1
d) -1-2i

An objects motion is described by the equation d= 4sin (pi t) what will the height of the object be at 1.75 seconds?

To which set of numbers does the number –5 belong? select all that apply. integers natural numbers rational numbers real numbers whole numbers

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics