Which value of a would make the following expression completely factored
x^2-a

a would be a perfect square larger than 0

Step-by-step explanation:

To factor the expression, it must be of the form of a difference of squares. As the first term is already a square then the second term must also be a square number larger than 0.

heyyy

step-by-step explanation:

7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation: