Which of the following represents "four times the square of a number is thirty-six"?
a) 42x = 36
b) 4x2 = 36
c) (4x)2 = 36

Answer B )  4 x² =  36 .

Step-by-step explanation:

Given  : four times the square of a number is thirty-six".

To find : Which of the following represents the statement.

Solution : We have given  four times the square of a number is thirty-six".

Let the number  = x

According to question :

Square of the number = x².

4 times square of the number is 36  

4 x² =  36 .

Therefore, Answer B )  4 x² =  36 .

she played for 18.75 hours.

step-by-step explanation:

if she played 2/4 of a hour on tuesday. and there is 60 minutes in an hour and 60 divided by 4 is 7.5. and she played 2/4 of an hour on thursday then again 60 divided by 4 is 7.5, you add 7.5+7.5=56.25. now you have to do 1/4 of an hour, it equals 3.75. now you have to add them all up. 3.75+7.5+7.5=18.75

i hope this and i hope you get it right. it took me a while to get this done for you. : )