Ina school 3/7 of the student are girls if there are 240 boys, find the number of girls

Which best explains why this triangle is or is not a right triangle?

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

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