If m 2=27, what is the measure of the supplement of

If chord ab is congruent to chord cd, then what must be true about ef and eg?

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex

In a two-digit number the units' digit is 7 more than the tens' digit. the number with digits reversed is three times as large as the sum of the original number and the two digits. find the number.