6th grade math help me pleasee

What is the value of 1/3x + 7x when x = 5

Select all the correct answers. what is 221,000,000,000,000,000,000 expressed in scientific notation?

50 people men and women were asked if they watched at least one sport on tv. 20 of the people surveyed are women, but only 9 of them watch at least one sport on tv. 16 of the men watch at least one sport on tv. make a a two-way table and a relative frequency table to represent the data.