If a circle has a circumference of 10piπ cm, what is its area?

Which of these people has balanced their checkbook correctly? oa. gary: the balance in his check register is $500 and the balance in his bank statement is $500. b. gail: the balance in her check register is $400 and the balance in her bank statement is $500. c. gavin: the balance in his check register is $500 and the balance in his bank statement is $510.

How can (square root of 25) ^2 be rewritten?

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