Write all four digit numbers that can be formed with the digits 4 and 5 by using both digits equal number of time. also find their sum

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Which equation represents the function on the graph?

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)