The square root of the sum of a number and 12 is 9. Find the number.

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Apackage of orgainc strwberries costs $1.50 while there in season and $2.25 when not in season what the percent increase

The letters g e o r g i a are placed in a bag . if you picked a card and knew it was a vowel , what is the probability that it is an a ?