Which function describes the sequence 3, 6, 12, 24,... A . f(n) = 3n
B. f(n) = 3 - 2n-1
C. f(n) = (n - 1)2 + 3
D. f(n) = 2n+ 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

*let m∠cob = 50°30’, m∠aob = 70° and m∠aoc = 20°30’. could point c be in the interior of ∠aob? why? a. point c could be the interior of aob but it is not the only case b. point c is the interior of aob c. point c is not the interior of aob d. the given is not possible for the plane geometry answer

3.4a=57.8 what is the the value of a