Idi is creating a password for a website that has some strict requirements. the password must be 8 characters. numbers and letters may be used, but may not be repeated. the password has to feature both letters and numbers. how many combinations are possible?

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.

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

In a timed typing test lara typed 63 words per minute.estimate the number of words she should be able to type in half in hour show your work