Answer and Step-by-step explanation:
Answer: What is the greatest number of identical groups that can be made with a number of mums and carnations in each group?
5(2x-3)-(x+8)=13
10x-15-x-8=13
9x-23=13
9x=36
x=4
Answer:
Two angles can be vertical and supplementary only if they add up to 90 degrees because there perpendicular.
Step-by-step explanation: