If Wanda were to paint her living room alone, it would take 22 hours. Her sister Patricia could do the job in 44 hours. How long would it take them working together?

If Wanda were to paint her living room alone, it would take 22 hours. Her sister Patricia could do the job in 44 hours. How long would it take them working together?

1.Events X and Y are mutually exclusive.Suppose P(A)=0.30 and P(B)=0.20 . What is the probability that A or B occurring? 2.Suppose P(A)=0.04 and P(B/A)=0.30. What...

Really need an answer for this question given as soon as possible, i have an exam coming up shortly and i dont know the answer to this

Really need an answer for this question given as soon as possible, i have an exam coming up shortly and i dont know the answer to this

Is X + 2 a factor of X(exponent 2) +4x +4?

Solve the equation -mn+7mp+10m+3=-2n-8

Arc Length: A particle is moving along the path described by the parametric equation x=1/t and y=(sin t)/t, for the value t between smaller or equal to 1 and less than infinite. Find the arc length...