During an annual heating season, the average gas bill for customer in a new england community heating their homes with gas was $457. assuming a normal distribution and a standard deviation of $80: a. what proportion of homes heating with gas had a gas bill over $382? b. what proportion of homes heating with gas had a gas bill between $497 and $537? c. what amount was exceeded by only 2.5% of the homes heating with g

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Simplify the expression. -2/5(10+15m-20n)

How does a low unemployment rate affect a nation's economy? a. the nation has a higher number of productive resources. b. the nation can spend more money on for unemployed people. c. the nation can save money by paying lower salaries to a large workforce. reset