Someone please help me ASAP (1/5) 3

What is the total surface area of this square pyramid?

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

2x minus y equals 6, x plus y equals negative 3