a steamer Travels 90 km downstream in the same time as it takes to travel 60 km upstream if the speed of the stream is 5 km per hour find the speed of the steamer in still water

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

Is the power produced directly proportional to the wind speed, give reasons for your answer?

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?