Suppose an isosceles triangle abc has a=pi/6 and b=c=5. what is the length of a^2?

Need this asap if anyone can i would be very grateful. if you could show workings that would really

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96