A road map has a scale of 1 : 30 000 The length of a road on the map is 7 cm.
Work out the length, in kilometres, of the real road. *
(3 Points)
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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

Don't know how to find x given these segment lengths

Three times the sum of a number and seven is negative thirty-six. what is the number?