3 × 3 = 9
4 × 4 = 16
5 × 5 = 25
So, the perfect squares between 6 and 31 is :
{9, 16, 25}
X+(10/7)
------------
(2/7)
The answer is letter a. 3 3/7 hours
hope this helps
In your graphing calculator, you can press 2nd then cos to create cos^-1 and then press 0.5967.
You’re basically doing arccos(0.5967) or cos^-1(0.5967)
Remember to put your calculator into radian mode first.
Your answer will be 0.9314138684 in radian
For degrees it would be 53.36608364
