finding angle measures with trig. Find the missing angle measures. Round to the nearest whole number​

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Find the nonpermissible replacement for binthis expression. b2/5b +5