Prove and explain that y+y+y=3y

What is the simplified form of 7 √x • 7 √x • 7 √x • 7 √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

Eden has a part time job. she is paid ? 7.20 an hour the week she worked 18 and a half hours how much is she paid