What are the solution(s) to the quadratic equation 50 – x2 = 0? x= +2 sqrt 5
x = +6 sqrt 3
x= +5 sqrt 2
no real solution

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

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?