Sam's T-shirt business uses the demand function P =-Q + 26 and the supply function P = Q-10. Acceding to these functions, what will the
equilibrium point (P, Q) be for Sam's T-shirt business?

A: (8,18)
B: (18,8)
C: (26,10)
D: (10,26)

Suppose a least-squares regression line is given by modifyingabove y with caret equals 4.302 x minus 3.293. what is the mean value of the response variable if xequals20?

The variable in a relation who’s value depends on the value of the independent variable is called what?

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.