In october 2005, a family's gasoline consumption is 30 gallons per month and is increasing at a rate of 2 gallons per month. the price of gasoline is 290 cents per gallon and is increasing at a rate of 8 cents per month. calculate the rate at which the family's monthly gasoline bill is increasing at this time. give your answer correct to the nearest cent per month. rate of increase = cents per month.
hint: write the family's monthly gasoline consumption as the function f (t) and the price of gasoline as the function g (t). what is the family's monthly gasoline bill in terms of the functions f and g?

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?

(30 points). the population of a city is 45,000 and decreases 2% each year. if the trend continues, what will the population be aer 15 yrs

Two groups of students were asked how many hours they spent reading each day. the table below shows the numbers for each group: group a 1 2 1 1 3 3 2 2 3 group b 3 2 3 2 2 2 1 1 2 based on the table, which of the following is true? the interquartile range for group a students is 0.5 less than the interquartile range for group b students. the interquartile range for group a students is equal to the interquartile range for group b students. the interquartile range for group a employees is 0.5 more than to the interquartile range for group b students. the interquartile range for group a employees is 1 more than the interquartile range for group b students.