A social security number contains nine digits, such as 000-00-0000. How many different social security numbers can be formed using any numeral from 0 to 9?

What is the product? (x2+3y+7) [yy+1)

Find two numbers if their sum is 91 and the ratio is 6: 7?

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%