Percent of change from 0.55. to 0.1. show all your work

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years