what is 6 divided by 31, 3 divided by 18. 4 divided by 75. 9 divided by 37 and 8 divided by 69. i need whole explainations for all of them!

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)

Given that s is the centroid of triangle mno, find sq.