Select all of the ratios that are equivalent to 15.
2/9
2/10
6: 30
5 to 20
3/20
8 to 40

can you guys me

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

The vertices of a triangle are a(7,5), b(4,2), c(9,2). what is m

Shane can shovel the driveway in 4 hours, but if his sister it would take 2 hours. how long would it take taylor to shovel the driveway alone