Iwill give brainliest for the correct answer!

If a =6, what is the value of 2a(3b + 5c)?

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

Patty made a name tag in the shape of a parallelogram. reilly made a rectangular name tag with the same base and height. explain how the areas of the name tags compare.