Bucky Barnes' vibranium arm has a radius of 2.5 inches. How large does the opening of his shirt sleeve need to be to fit his arm?

Apsychology student wishes to investigate differences in political opinions between business majors and political science majors at her college. she randomly selects 100 students from the 260 business majors and 100 students from the 180 political science majors. does this sampling plan result in a simple random sample? why or why not? no, because each group of 200 students in the sample does not have the same chance of being selected. yes, because each group of 200 students in the sample has the same chance of being selected. no, because each individual student does not have an equal chance of being selected. yes, because each individual student has the same chance of being selected.

Wrote and expression for the difference of p and 4

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test