In a cirde, what does the ratio A/^2 represent?
A. area
B. diameter
c. circumference
d. pi

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28

The first week samantha learned to read braille, she could read 10 words per minute. in the second week she increased her speed by 20%. in the third week she increased her speed again by another 25%. how many words could she read per minute by the third week? hurry and tell me!