Megan is placing fifteen 1-foot by 1-foot stepping stones in her garden. the garden is 10 feet wide and 15 feet long.
what is the area of her garden that is not covered by stepping stones?

"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.

On a piece of paper graph f(x)=5•(0.4)^x

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.