Guidelines suggest that children and adolescents get a minimum of 60 minutes of physical activity daily. Findings suggest the actual daily amount of physical activity of boys aged 14-18 receive is normally distributed with a mean of 45 minutes and a standard deviation of 15 minutes. What percent of boys get less than 30 minutes of exercise daily

Do u just plot the numbers on the graph like (1,

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 15(x - 4)(x -1)-3(x + 4)(x - 1) with steps