If LMN is similar to PQR, what is the length of PR

This week, conrad will work 1 3/4 times longer than last week. giovanni will work 1 1/3 times longer than last week. sally will work 2/3 the number of hours she worked last week. match each employee's name to the number of hours he or she will work this week

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function