Answer:
11m-12
Step-by-step explanation:
3×m=3m 3×-4=-12
8m+3m=11m
11m-12
Move the decimal point 2 to the left
Answer is .26
Answer:
The first student is correct
Step-by-step explanation:
With the given information there is already 4 inches on the rectangle. 13 x2 = 26. 26+4=30. For student two if the unknown number was 10 it would not work because the longest side is 3 less then the unknown number. 10-3=7. 7x2=14. 14+4= 28<30