Describe the indifference curves associated with two goods that are perfect substitutes. the indifference curves for two goods that are perfect substitutes
a. have positive slopes.
b. are horizontal lines.
c. are convex.
d. intersect one another.
e. are downward-sloping straight lines.

The answers would be: 1: the liquid only contains one compound4: the liquid is a pure substance

What formula  this one  (x_/

Initial velocity,  u = 4.9 m/sfinal velocity = v m/sinitial height,  h₁ =  245 m    final height, h₂ = 0a = -9.8  m/s²time taken = t secondss = ut + 0.5at²⇒  (h₂-h₁) = ut + 0.5at²⇒  0-245 = 4.9t + 0.5×(-9.8)×t²⇒ -245 = 4.9t - 4.9t²⇒ 4.9t² -4.9t -245 =0solving it, we get   t = 7.59sv  = u +  at = 4.9 -9.8×7.59 = 4.9 - 74.38 = -69.48 m/svelocity is  69.48 m/s downward

Drink a pepsi cherry iced fruit shoot apple juice milkshake mocktail