Answer:
d
Step-by-step explanation:
5>2n+11
5-11>2n
-6>2n
-6/2>n
n<or equal to -3
bubble is filled pointing left
Answer:
7
Step-by-step explanation:
PEMDAS
3-2=1
x
7
=
7
Answer:
The missing number is 4
Step-by-step explanation:
Given
21 x 39 x _____ x 19 divided by 12 = 5187
Required
Fill in the gap
Let the missing number be represented with y; So, the expression becomes

Multiply both sides by 12


Rearrange the expression on the left hand side


Divide both sides by 15561



Hence, the missing number is 4