Which equation implies that a and b are independent events?
a. p(a nb) = p(a) * p(b)
b. p(ba) = p(a)
°c p(an b) = pcb
d. p(a) = p(b)
oe p(a | b) = p(b | a)

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.

Divide. write in simplest form 41/6 divided by 10