Translate the following verbal statement into an algebraic equation and then solve: Mariah bought a bookcase on sale for $340, which was two-fifths of the original price. What was the
original price of the bookcase?

In a certain pentagon, the interior angles are a, b,c, d,e where a, b,c, d,e are integers strictly less than 180. ("strictly less than 180" means they are "less than and not equal to" 180.) if the median of the interior angles is 61 and there is only one mode, then what are the degree measures of all five angles?

How to write 3 tenths and 5 tenths as a decimal

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq