2. tom's brother saw an advertisement for a special at muscle fitness. muscle fitness is offering $20 off the one-time regular registration fee of $80. membership is $15 per month with a mandatory additional $5 charge per month for equipment maintenance. tom's brother tells tom that he feels it is a better deal than platinum gym. (a) write an expression to represent the membership cost of muscle fitness for x months. (b) is tom's brother right? explain why or why not.

Acertain population of bacteria demonstrates exponential growth doubles in size every 4 days. how long will it take the population to triple in size?

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

The table shows the relationship between the number of cups of cereal and the number of cups of raisins in a cereal bar recipe: number of cups of cereal number of cups of raisins 8 2 12 3 16 4 molly plotted an equivalent ratio as shown on the grid below: a graph is shown. the title of the graph is cereal bars. the horizontal axis label is cereal in cups. the x-axis values are 0, 20, 40, 60, 80,100. the vertical axis label is raisins in cups. the y-axis values are 0, 10, 20, 30, 40, 50. a point is plotted on the ordered pair 40,20. which of these explains why the point molly plotted is incorrect? (a) if the number of cups of cereal is 40, then the number of cups of raisins will be10. (b)if the number of cups of raisins is 40, then the number of cups of cereal will be10. (c) if the number of cups of cereal is 40, then the number of cups of raisins will be 80. (d) if the number of cups of raisins is 40, then the number of cups of cereal will be 80.