Fill in the blanks 10 points meant to put this in spanish sorry

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

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 + 4x + 5 = 0

Using the information in the customer order, determine the length and width of the garden. enter the dimensions. length: feet width: feet