Help I really need to do this!

In which of the situations can information about tyler be represented by the expression r+3 when r represents information about ray? check all that apply.

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units