What does the regular expression /[a-z0-9\-]/mean? A a negative or positive numeric value
B. a string containing all letters and numerals C. a string containing any lowercase-letter(s) or numeral(s) or a
D. a string containing all lowercase letters and numerals and ending with a -​

Technician a says that a dry sump system uses no oil storage sump under the engine. technician b says that a wet sump system uses no oil storage sump under the engine. who is correct?

Which network media uses different regions of the electromagnetic spectrum to transmit signals through air? uses different regions of the electromagnetic spectrum to transmit signals through air.

What is the primary difference between the header section of a document and the body? a. the body is displayed on the webpage and the header is not. b. the header is displayed on the webpage and the body is not. c. the tag for the body is self-closing, but the tags for the headers must be closed. d. the tag for the header is self closing, but the tag for the body must be closed.