Which number is the best approximation for 45√−23√ ?

What is the rule for reflection across the y axis

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

Given the sequence 7, 14, 28, 56, which expression shown would give the tenth term? a. 7^10 b. 7·2^10 c. 7·2^9