3. Find the scale factor using the given scale drawings and measurements below. Scale Factor:

Identify a1 and r for the geometric sequence an= -256(-1/4) n-1

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827