Plz help as soon as possible
what is 150*70

Can someone me and plz do the problem

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

(05.03 mc) part a: explain why the x-coordinates of the points where the graphs of the equations y = 4x and y = 2x−2 intersect are the solutions of the equation 4x = 2x−2. (4 points) part b: make tables to find the solution to 4x = 2x−2. take the integer values of x between −3 and 3. (4 points) part c: how can you solve the equation 4x = 2x−2 graphically? (2 points)