(Convert letter grade to number) Write a program that prompts the user to enter a letter grade A/a, B/b, C/c, D/d, or F/f and displays its corresponding numeric value 4, 3, 2, 1, or 0. Sample Run 1 Enter a letter grade: B The numeric value for grade B is 3
Sample Run 2 Enter a letter grade: b The numeric value for grade b is 3
Sample Run 3 Enter a letter grade: T T is an invalid grade

Which of the following physical laws can make the flow of water seem more realistic? a. motion b. gravity c. fluid dynamics d. thermodynamics

The open systems interconnection (osi) reference model: defines standards for many aspects of computing and communications within a network. is a generic description for how computers use multiple layers of protocol rules to communicate across a network. defines standards for wireless local area network (wlan) communication protocols. details the advantages and disadvantages of various basic network cabling options.

As with any small island country, cuba has fewer natural resources than countries such as brazil. this affects their economy in that cuba a) exports only manufactured products. b) exports more products than it imports.. c) must import more products than it exports. d) has imposed trade barriers against the united states.