So 18 is most likely gonna be D 19.5 then question 19 looks a bit bigger so I would go with A 22.5 or it’s gonna be C 19.5 so flip a coin on that one and now for question 20 it’s gonna be 11.3
Answer from: Quest
i think it's ф or x=6,-6
step-by-step explanation:
-x^2=-36
x^2=-36
ф
or
if you mean by : -(x^2)=-36
it'll be: x^2=36
x=6,x=-6
hope it'll ! have a good day!
you for asking!
Answer from: Quest
The answer is 10. and if you go by pemdas you would 1. multiplication 2. division 3. addition 4. subtraction