I need help on this math please help me on this tnx

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?

The graph is supposed to show f(x) = 3 sin (x/4+1) - 1/2. which of the following are correctly represented in the graph? select two of the following that apply.