if 4 is subtracted form the half of the square of a natural number, the result is 14, find the numbers​

Kayla has a $500 budget for the school party.she paid $150 for the decorations.food will cost $5.50 per student. what inequality represents the number of students,s, that can attend the party?

Is the square root of 4 plus the square root of 16 rational?

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?