Convert 11/4 to its equivalent mixed number

∆abc is reflected across the x-axis and translated 2 units up to give the image ∆a'b'c' with coordinates a'(1, 1), b'(2, -1), c'(2, 1). what are the coordinates of the preimage ∆abc? a. a(-1, 1), b(-2, 3), c(-2, 1) b. a(1, 1), b(2, 3), c(2, 1) c. a(1, -3), b(2, -1), c(2, -3) d. a(1, -3), b(2, -5), c(2, -3)

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

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