1 hàng ghế gồm 10 chiếc ghế. Có bao nhiêu cách xếp 1 đôi vợ chồng vào các ghế đó nếu: a. Họ ngồi cách nhau 1 ghế.
b. Vợ ngồi phía bên phải chồng.

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Pranza plotted point a in the coordinate plane below.

Here is my question! jayne is studying urban planning and finds that her town is decreasing in population by 3% each year. the population of her town is changing by a constant rate.true or false?