Elena has 36 stamps in her collection. That is 6 times as many stamps as Shane has in his collection. Which operation would be best to use to determine how many stamps Shane has?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

The sum of two numbers is 12 and their difference is 18 what are the two numbers

3x = 729 solve for x plz . it's urgent. will mark