If a tire rotates through 250 degrees in 15 seconds how mant degrees does it rotate in 45 seconds?

In the diagram below what is the approximate length of the minor arc ab

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

Find the area of the regular hexagon if a side is 20 cm.