Xếp 10 người ngẫu nhiên vào một dãy ghế có 10 chỗ trống, trong đó có Lan và Hồng. Tìm xác suất để Lan được ngồi cạnh H ồng.

Kinu wants to buy topsoil for a section of her garden that has the dimensions shown in the figure. each bag covers 2 square yards. how many bags of topsoil should kinu buy? explain how you found the answer.

What is the equation of the following graph in vertex form? parabolic function going down from the left through the point zero comma twelve and through the point two comma zero and turning at the point four comma negative four and going up through the point six comma zero and continuing towards infinity courtesy of texas instruments a: y = (x − 4)2 − 4 b: y = (x + 4)2 − 4 c: y = (x + 2)2 + 6 d: y = (x + 2)2 + 12

Solve for x where 0 equation: cot^2x+2cotx+1=0