What ratio is equivalent to 7:350

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.

Evaluate the expression. (9 + 5)(3 + 2)0