Adrianna wrote a textbook for high school students. She receives a 10% royalty based on the total sales of the book. The book sells for $47.95, and 17,000 copies were sold last year. How much did Adrianna receive in royalty payments for last year?

An astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be modeled by the function d(t)0.82. what is the average speed, in meters per second, of the rock between 5 and 10 seconds after it was dropped?

Find the volume of the described solid. the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x. a) 441b) 147c) 864d) 882

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle