Cho 2 biến cố a và b có P(a)=0.5 và P(b)=0.7 , P(a+b)=0.8. tính P(b/a)

Jordan rides his bike 6 7/15 miles every day to deliver newspapers and to go to and from school. if his ride to and from school is 4 3/10 miles, how many miles is the trip to deliver newspapers? 1 1/3 1 1/6 2 1/6 2 4/5

Find the multiplicative inverse of 8-12i

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles