In the rhombus,
m1 = 15x, m2 = x + y, and m3 = 30z.
Find the value of each variable.

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

Alex's monthly take home pay is $2,500. what is the maximum bad debt payment he can maintain without being in credit overload?