Which expression is equivalent to: 3a + 33
3(a + 33)
7a + 27 - 4a + 6
-3 (a + 11)
O 5a + 29 - 2a + 3

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

I’m confused on how to work the pie charts

What are two numbers that have a sum of 15