Asupermarket sells 2 cans if ground coffee for $18.50. the cost of the coffee varies directly with the number of cans. how much do 5 cans of coffee cost?

Alex drew a circle with right triangle prq inscribed in it, as shown below: the figure shows a circle with points p, q, and r on it forming an inscribed triangle. side pq is a chord through the center and angle r is a right angle. arc qr measures 80 degrees.

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

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