Please answer by today, brainliest will be given when the option is available :)

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

The following frequency table relates the weekly sales of bicycles at a given store over a 42-week period. value01234567frequency367108521(a) in how many weeks were at least 2 bikes sold? (b) in how many weeks were at least 5 bikes sold? (c) in how many weeks were an even number of bikes sold?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.