Shen's mother gave him $10 to go buy groceries. he picked a Gallen of milk for $3.49 he got oranges for $1.14 per pound and a box of cereal for $3.46 she used front-end estimation to determind whether he had enough money for groceries how much did he estimate the total cost would be

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?

The architect's side view drawing of a saltbox-style house shows a post that supports the roof ridge. the support post is 8 ft tall. the distance from the front of the house to the support post is less than the distance from the post to the back of the house. how far from the front of the house is the support post positioned?