Evaluate each expression if a = ½ and b = 5
1. 8a + 2b
2. 6ab ÷ 3 - 2
3. b³ + a²

What is the prime factorization of 230

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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