Tìm nghiệm sô không âm của phương trình z1+z2+z3+z4=17

Worth 30 points! in this diagram, both polygons are regular. what is the value, in degrees, of the sum of the measures of angles abc and abd?

Fred has a spinner that is split into four equal sections: red, blue, green, and yellow. fred spun the spinner 688 times. which of the following would be a good estimate of the number of times the spinner lands on the green section? a. 269 b. 603 c. 344 d. 189

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b