Please, I need help with this quiz!! Can someone explain to me how to do problems like these. Simplify: ( 1\5 - 1\10 ) Divided by 3 to the second power - 4\5 Simplify: (25 + 17) - | 37 - 13 | Simplify: |15.87 - 48.09| + | -79.67 + 42.31|

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

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.

What is the scale factor of almn to aopq?