I can't read it like to understand it​

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6