Which of the following is the solution of 5e^2x-4=11

What’s the domain of this function? fastttt

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)