Calculate the consumer surplus if the demand function is given as ox=Q^2-3Q-4 at the equilibrium price of #6.00

Find the equation of the trend line (line of best fit). show your work i'm using the points (34,76) (42,91)

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?