col : name | topic | cost | target age | advertising row 1 : ask a biologist | biology | free | 5+ | none row 2 : archimedes-lab.org | mathematics | free | 10+ | yes - limited row 3 : awesome library | all | free | all | yes - large row 4 : bitesize by the bbc | art & design, business studies, design & technology, dida | free | 5-16 | none row 5 : brainpop | science, social studies, english, maths, art & music, | from us$75/year | 4-17 | none row 6 : cut-the-knot | maths | free | 8+ | yes - extensive row 7 : fact monster | world & news, u.s., people, english, science | free | 4-14 (k-8) | yes row 8 : geometry from the land of the incas | geometry | free | 12+ | yes - extensive row 9 : hackmath.net | mathematics | free | 9-18 | none row 10 : hyperphysics | physics | free | 15+ | none row 11 : ixl | math | $80/year | 4-12 | ? row 12 : le patron | french | free | 12+ | yes row 13 : learnalberta.ca | everything (mainly aimed at teachers) | free | 5-18 | no row 14 : nafham | multidisciplinary 5-20min k-12 school video lessons for arabic students | free | 6-18 | yes row 15 : starfall.com | reading | free | 2-9 | none row 16 : smartygames.com | math games, reading, art, word scramble, spanish, puzzle | free | 2-9 | none row 17 : watchknowlearn | all | free | 2-17 | none
what are all of the web site names? and their costs? which web site costs the most?
ixl
Name Topic Cost Target age Advertising
which web site costs the most?
Ask A Biologist Biology Free 5+ None
Archimedes-lab.org Mathematics Free 10+ Yes - limited
Awesome Library All Free All Yes - large
Bitesize by the BBC Art & Design, Business Studies, Design & Technology, DiDA Free 5-16 None
BrainPop Science, Social studies, English, Maths, Art & Music, from US$75/year 4-17 None
Cut-the-Knot Maths Free 8+ Yes - extensive
Fact Monster World & News, U.S., People, English, Science Free 4-14 (K-8) Yes
Geometry from the Land of the Incas Geometry Free 12+ Yes - extensive
HackMath.net Mathematics Free 9-18 None
HyperPhysics Physics Free 15+ None
IXL Math $80/year 4-12 ?
Le Patron French Free 12+ Yes
LearnAlberta.ca Everything (mainly aimed at teachers) Free 5-18 No
Nafham Multidisciplinary 5-20min K-12 school video lessons for Arabic students Free 6-18 Yes
Starfall.com Reading Free 2-9 None
Smartygames.com Math Games, Reading, Art, Word Scramble, Spanish, Puzzle Free 2-9 None
WatchKnowLearn All Free 2-17 None
IXL
which web site costs the most? || and their costs? | what are all of the web site names?