You can tell if the value of a function for a certain interval is positive by looking at its graph. If the value is postitive that part of the graph will:

Aright triangle includes one angle that measures 30º. what is the measure of the third angle? a. 30º b. 90º c. 60º d. 130º

"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 is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?