Rectangular equation for the curve whose parametric equations are x = 2cosθ, y = cos2θ.

Find the third,fifth and seventh term sequence described by each rule a(n)=n+1

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is