Melissa threw a coin from a bridge 160 feet high with an initial speed of 30 feet per second. which of the following expressions can be used to determine when the coin will hit the ground?

If a baby uses 15 diapers in 2 days how many diapers will the baby use in a year

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Geometry in the diagram, ∠abc is a right angle. ∠dbc = 30°27'40". find the measure of ∠abd.