Evaluate a + 6 for a = 10. a.6 b.16 c.60

Aladder that is 30 ft long needs to reach 27 ft up a building. what should the angle of the vertical be?

"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.

Polynomial that can be factored as (3x-4)(3x+4)