Given: triangles abc and dbc are isosceles, m∠bdc = 30°, and m∠abd = 155°. find m∠abc, m∠bac, and m∠dbc.

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Kate has 50 quarters and dimes. she has a total of $9.80. how many dimes that she have?

Atruck travels from a factory to a gas station in 4 minutes. it stops at the gas station for 3 minutes. the truck then returns to the factory in 3 minutes. which graph best represents the distance, y, in miles, of the truck from the factory for a certain amount of time, x, in minutes?