Ihave a 99.56% in math right now. i got a 50% on an assignment that's worth 50% of my total grade. what will that bring my grade in math down to?

If f(x)= sqrt4x+9+2, which inequality can be used to find the domain of f(x)?

Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol

What is the slope of the line passing through the points (-5, 7) and (-3,5)?