Answer:
3x + 11
Step-by-step explanation:
Remember BPEMDAS.
"Three times a number" is saying multiply 3 times a variable; in this case, <em>x</em>. So we have 3x
"The sun of 3x and 11" is saying add our 3x and 11, so: 3x + 11
Answer:
39 inches
Step-by-step explanation:
5x+x=234
6x=234
234/6=39
x=39 inches
Answer:
C) 45 x 45
The expanded form for 45 squared is 45×45
Step-by-step explanation:
45 squared means 45² i.e 45×45
Therefore, letter C) 45×45 is the answer