A particular rocket taking off from the Earth’s surface uses fuel at a constant rate of 12.5 gallons per minute. The rocket initially contains 225 gallons of fuel. Determine a linear model, in y = ax +b form, for the amount of fuel the rocket has remaining, y, as a function of the number of minutes, x.

"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.

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

I’m stuck on this equation, anyone got the answer?