Frands collects marbles. In her collection are: 8 yellow marbles
4 white marbles
6 purple marbles
10 green marbles
Frands will randomly choose 1 of the marbles. What is the probability that she will choose a
purple marble?​

Two airplanes start at the same place and travel in opposite directions,one at 395 miles per hour and the other at 422 miles per hour. how many hours will it take for the planes to be 2451 miles apart?

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.

Given that the images represent 4 steps in the construction of a line segment congruent to a given line segment, which is step 3 in the construction?