Let s be the disk enclosed by curve c. r(t) = cos(φ) cos(t), sin(t), sin(φ) cos(t), for 0 ≤ t ≤ 2π, where 0 ≤ φ ≤ π 2 is a fixed angle.

12. decide whether each statement is always true, sometimes true, or never true. a. when corresponding points of an original figure and its reflection are connected, the resulting segments are all perpendicular to the line of reflection. b. when a point is reflected over a horizontal line, the y-coordinate of the point stays the same. answer both questions and explain

Julia is going for a walk through the neighborhood. what unit of measure is most appropriate to describe the distance she walks?

Carmen ayer en el mercado compro 3/4 kg de guayabas, 6/8 kg de peras, 1/2 kg de naranjas ¿cuantos kilogramos de fruta compro?