Please help ill give brainliest answer to first person who answers

n^1 x n^4 x n^7

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

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