Y+ 8 = 15 y = 15 + 8 y = 23 describe the mistake that karen made.

Asphere has a diameter of 10 in. what is the volume of the sphere?

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

If tan2a=cot(a+60), find the value of a, where 2a is an acute angle