find the value of the variable and yz if y is between x and z. xy= 3a-4, yx= 6a +2, xz= 5a+ 22
A. a = 6, YZ = 38
B. a = 4, YZ = 26
C. a = 8, YZ = 46
D. a = 5, YZ = 32
E. a = 7, YZ = 42