A technology magazine finds data that suggests the prices of computers with a specific configuration follow an approximately normal distribution with a mean of $892.22 and a standard deviation of $109.30.

What percentage of these computers are priced higher than $950?

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

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way