The teachers in the Mathematics Department want to increase student retention and success rates in all the math courses. They are interested in looking for something that will allow students to check their progress, take practice tests, and message instructors with questions. What would you recommend they consider?

A learning management system

Explanation:

A learning management system -

This concept of learning has originated from e- learning method .

It is a type of system , which consists of software application for developing , learning , educational information , tracking , administration etc. , is referred to as a learning management system .

From the given scenario of the question , The teacher can use a learning management system , so that the children can enjoy the subject and learn and understand the subject in an innovative manner , and track their success record .

Hence , the correct answer is a learning management system .

the correct answer is modern american cars are not available due to trade restrictions.

trade between cuba and the united states have serious restrictions. the u.s. imposed an economic embargo on cuba, that among other things means that modern american cars are not available due to trade restrictions.

in response to some governmental actions of the authorities from cuba, president john f. kennedy proclaimed an embargo on trade between both countries in february 1962. the trade embargo remains active until this day and was implemented directly by the departments of commerce and the department of treasury.

in president trump’s administration, there is a national security presidential memorandum that "strengthens the policy of the u. s.", affecting trade with cuba.

i am confused, what is the question? i can you out if you put it into more depth.