Two buses leave houston at the same time and travel in opposite directions. one bus averages 55 miles per hour, and the other bus averages 45 miles per hour. when will the buses be 400 miles apart? the second step in solving a word problem is to define the variables.

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

Suppose that a households monthly water bill (in dollars) is a linear function of the amount of water the household uses (in hundreds of cubic feet, hcf). when graphed, the function gives a line with slope of 1.65. if the monthly cost for 13 hcf is $46.10 what is the monthly cost for 19 hcf?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.