Answer:
6
Step-by-step explanation:
Because 8 x 4 equals 32, so 6 - 2 equals 4.
2.2y+1.2z
Add y + 1.2y
Now you can't simplify anymore so this is your answer
(x+1)^2-x^2=23
x^2+2x+1-x^2=23
2x+1=23
2x=22
x=11
11^2 = 121
x+1 =12
12^2=144
144-121 = 23
19/20 is the correct answer
