Answer: 12 by 12 by 5 by 5
Step-by-step explanation: 12*5 = 60
12+12+5+5
=34
68-61 =7
but 7-6 =1
Step-by-step explanation:
Answer:
Yes, it is a right triangle.
Step-by-step explanation:
First box is 100 second is 4 third is 1500 4th box is 60 and last box is 1560
Answer:
2n^2 - 11
steep by steep explanation
=(4n^2 + 3n -5) -(2n^2 + 3n +6)
= 4n^2 +3n -5 - 2n^2 - 3n -6
= 2n^ - 11
