Why should you record a 1 in the Tens column when you regroup in a addition problem

I have 8 question on round to the place valve of the underline digit

How many times do 7 go into4

An item was increased by 20% but then decreased by 25%. Calculate the percentage change and state if it was an increase or decrease.

Which of the following situations represent linear growth? Check all of the boxes that apply. Martin's savings account increases because he deposits $25 each week. Cali's pay increases by 3% per year.

Rearrange formula to make x subject y=x²-2

John and his family are going on vacation they travel 137.5 miles in 2.5 hours. what is the average miles per hours that they travel?

I = prt How to solve to get r

As a result of the partition of India in 1947, Hindus migrated to the northern provinces, where thousands perished from starvation. True or False?

840 311/500 as a decimal number

What are the ten times tables