Which number is an irrational number?
startfraction negative 22 over 9 endfraction
negative startroot 3 endroot
2.56
startroot 15 endroot

Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )