Mrs brown invested $25,000 in two accounts, one yielding 6% interest and the other yielding 11%. If she received a total of $2050 in interest at the end of the year, how much did she invest in each account

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

Due to a packaging error, 4 cans labeled diet soda were accidentally filled with regular soda and placed in a 12 pack carton of diet soda. two cans were randomly selected from this 12 pack. what is the probability that both cans were regular soda?