Fa and b are dependent events, which of these conditions must be true? a. p(a and b) = p(a) + p(b) b. p(a and b) = p(b) p(a) c. p(b|a) = p(b) d. p(a|b) = p(a) e. p(b|a) p(b)

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2

Solve the equation by completing the square. x^2+2x=17