Can you explain what they did wrong to find 10.137 + 5.82 = 68.337? What should they have done?

The company A) aligned the digits on the right and added
B) aligned the digits on the left and added
C) aligned like place values and added
Who ever answers first will getest answer IT HAS TO BE CORRECT

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents

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.