Explain the relationship between a strategy, such as number sense, and a written method, such as partial products or area models, for multiplying decimal numbers.

Give all possible names for the line shown.calculation tip: lines can be written with either point first.

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.

Solve for x where 0 equation: cot^2x+2cotx+1=0