Answer:
Step-by-step explanation:
add 12 and a number: 12 + c
subtract a number from 12: 12 - c
divide a number by 12: c : 12 or c/12
multiply 12 by a number: 12 · c = 12c
I think the answer is 2 and -15. Because 2 times - 15 is -30 and 2 and -15 can be added to -1.
That is a perpendicular bisector
Answer:
36
Step-by-step explanation:
If its the khan question 3x4x3

Change the mixed fractions to improper fractions.
To do this, multiply the whole number part by the denominator. Add that to the numerator. Then write the result on top of the denominator.
You would now have:

Change the division sign to a multiplication sign by turning the second fraction upside down.
That is,

The answer is:

This can be simplified to: