Write 20 billion 1 million and thirty thousand and one as a number

Solve 2x+y=3 x+y=5 in substitution method

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Frank owns a $141,000 home, for which he has a 30-year mortgage in the amount of $700 a month. once he has paid off mortgage, how much will he have paid in investment? a. $111,000 b. $109,000 c. $120,000 d. $141,000