Functions table please help

Complete the equation of the line through (−10,3) and (−8,−8). use exact numbers.

Which of the following is true for the relation f(x)=2x^2+1

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