9. At a restaurant, you can choose 2 different side dishes from a list of 10. The number of possible side dish choices can be counted using: a. permutations
b. combinations

10 How many possible side dish choices do you have
in problem #9?

11. An entry code into a building is a 5-digit number. The number of different codes can be counted using
a. permutations
b. combinations

12. How many different codes are possible in
problem #11.

Pls help, thx a bunch

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.

On a parallelogram, the vector from one vertex to another vertex is (9,-2). what is the length of the side? •7•√85•18•85

Pqrs is an isosceles trapizoid and s =31 fimd p