In 2004 approximately 5 million cars and trucks were classified as flex fuel which means they could run on gasoline or diesel in 2009 that number increased to about 8 million how many more cars and trucks were flex fuel in 2009

True or false? many triangular shapes can be circumscribed about a given circle

"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.

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.