If 2cm represents 75 miles on a scale drawing how long would a line segment be that represents 50 miles

Which three lengths could be the lengths of the sides of a triangle? 21 cm, 7 cm, 7 cm 9 cm, 15 cm, 22 cm 13 cm, 5 cm, 18 cm 8 cm, 23 cm, 11 cm

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

What is the absolute value of the complex number -4-sqrt2i