Answer: 
Step-by-step explanation:
In the simple radical form there are no square root is remain to find.
Since, the given expression,






Since, we do not need to find further square root of 7.
Thus, the required radical form of
is
.
Answer:
Ok, I can see only a) to c)
a) Lucy spent the most time reading.
b) 20 minutes.
c) 22 minutes.
Step-by-step explanation:
Reason for b):
First convert hours to minutes.
1 hour = 60 minutes
4 hours = ?
4 × 60 = 240 minutes.
Homework is 30°
Total in the pie chart is 360° so:
30/360 × 240 mins = 20 mins
Answer is Zac spent 20 minutes to do his homework.
Reason for c):
Watching TV:
Zac: 135°
Lucy: 102°
Zac:
135/360 × 240 minutes = 90 minutes
Lucy:
102/360 × 240 minutes = 68 minutes
To find how many minutes Zac spent watching TV than Lucy:
90 minutes - 68 minutes = 22 minutes.
Do you understand, Kiara 12004?
Answer:

Step-by-step explanation:

This formula does not seem to be among the answer choices.
W = (P/2) -L