Brittany lost $450 on an investment, which was 45% of the money she invested. how much money did she invest ?

Me find the measure to side c and the process to solve the problem you appreciate it : )

Alonso walked with his friend andy one day, and wanted to compare their speeds. alonso walked 3 miles in one hour, and andy walked 2 miles in 2 hours. complete the table to graph the relationship for each person.

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?