What is the measure of each exterior angle of a regular 30-gon

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line