2. Reemplaza los valores correspondientes de “a”, “b” y “c”, y calcula: a = -2 b = 3 c = 4 a) a + b – c = b) a – b + c = c) a + 2.b – 2c = d) (7.b) : (b + c) = e) a ∙ c + 2.b – 2.c = f) c · (b – a) =

Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days

Solve for x and select the correct answer