A group of 200 high school students were asked about their use of email and text messages. The results are shown in the two-way frequency table. Complete the table.

Could answer every question with steps

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

See attachment below and find the equivalent of tan(∠qsr)