Help me please? what order do they go in

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Identify one charcteristic of exponential growth

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()