Answer:
3
Step-by-step explanation:
area of square=l*b so
81=3x multiply 3x
81=9x^2
81/9=x^2
9=x^2
=x
3=x
Answer: the first, second, and fourth are correct.
Step-by-step explanation:
28-10%=25.2
28-25%=21
28-35%=18.2
Answer:
11250
Step-by-step explanation:
you need to multiply length times width times depth
Answer:
The middle one cause 8 cant go into 30 and 4 cant go into 30
Step-by-step explanation: