Which one of the following is a correct statement for a number of resistors connected in series or parallel?

See figure below. Three particles travel through a region of space where the magnetic field is out of the page. The magnetic forces on the particles are shown. The particle’s charge should be

Multiple sectors on a disk, when combined, are referred to as a:

Give the IUPAC name for the following.  Include stereochemistry if necessary.

Which step is the rate determining step?

What type of reaction is the reaction below?  

The image below refers to what type of slope failure?

Identify the following functional groups(s).

A group of nine college students were asked how many hours they slept the previous night. The number of hours they slept are:      7     6     7.25     8.5     5      7      6.75     6    9 [a].  Find the mean.  Round to two decimal places. [b].  Find the median.  Round to two decimal places.    [c].  The standard deviation of the hours slept is 1.24 hours. What is the z-score for the student who slept 7 hours?  Round to two decimal places.      

In a particular suburb, 30% of the households have installed electronic security systems.  If a household is selected at random, what is the probability that this household has not installed a security system?