In a speed test, a computer took 12.4 seconds to complete one task, and 37.8 seconds to complete a more difficult task. how much time was needed to complete both tasks?

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

Divide. write in simplest form 41/6 divided by 10

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11