What term describes this: An elongated ridge of sand that projects from the land into the mouth of a bay and hooks. This is a depositional feature related to beach drift and longshore currents.

Hello i need some with trigonometric substitutions. [tex]\int\limits^a_b {x} \, dx[/tex]

For how answer my question this will be the last question can you answer in math subject

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?