Solve and check the fallowing system of equations algebraically x+y=5 plz Help Me

Aman steps out of a plane at a height of 4,000m above the ground falls 2,000m very quickly and then opens his parachute and slowly falls the remaining 2000m to the ground what height above the ground would be the best choice for a reference point

Consider the graph of the exponential function y=3(2)×

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52