At the start of March, the value of an investment was $70.00 each month for 4 months this investment lost $15.What is the value of the investment after the 4 months

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.