Which expression is equivalent to 0.5y+10.5+6.5y+0.5-0.5y? 1) 7.5y - 10
2) 6.5y + 10
3) 6.5y - 11
4) 7.5y + 11

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

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.

You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?