A bag contains 12 marbles. If Tahir picks one marble from the bag without looking, what is the probability that she will pick a black marble? A. 1/6
B. 1/3
C. 1/2

Kylie explained that (-4x+9)^2 will result in a difference of squares because (-4x+9)^2 (-4x+9)^2 =(-4x)^2+(9)^2=16x^2+81

Apool measures 100 meters by 100 meters a toddler inside the pool and trows a ball 60 centimeters from one edge of the pool.how far is the ball from the opposite edge of the pool

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.