Below are the supply and demand equations for stereo headphones in a certain market. in these equations, p represents price, d represents demand, and s represents supply.

what is d at the point of equilibrium, to the nearest whole number?

a.151

b.104

c.71

d.54

nevermind got it, it's d-54

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12