se lanza una pelota verticalmente hacia arriba con una velocidad de 5m/s ¿cuál es el tiempo que dura la pelota en el aire?​

Mary used 1/7 of a spool of ribbon to complete 4 projects. she used the same amount of ribbon on each project. how much ribbon did she use on each project?

An object in geometry with no width, length or height is a(n):

Which of these angles are supplementary? a. 100o and 90o b. 78o and 102o c. 54o and 146o d. 12o and 78o