Describe the relationship between the values of the digits in the number 9999999.

Acar with a mass of 600 kg is traveling at a velocity of 10m/s. how much kinetic energy does it have?

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

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.