What is the magnitude of the vector V = <-3, -4>?

Classify the polygon by its number of sides. state whether the polygon appears to be regular or not regular. a.heptagon, regular b. heptagon, not regular c. octagon, regular d. octagon, not regular

Including 6% sales tax, an inn charges $135.68 per night. find the inns nightly cost

If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if