For spirit week at a local high school, students were encouraged to wear their school colors of green and white. 2,400 students wore their school colors while 600 students did not wear green and white. What percent of the school population did not wear their school colors?

Arley is building a model of a city map. in one part of the city, three roads form a right triangle, which harley draws as triangle abc, with the following measures: m∠b=90° and m∠a=30°. in his scale model, the hypotenuse of triangle abc, ac¯¯¯¯¯¯¯¯, has a length of 817−−√ cm. what is the value of a (the length of bc¯¯¯¯¯¯¯¯)?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

9/10 divide by -3/15 as a mixed number