Khảo sát doanh thu hàng tháng của một công ty quảng cáo người ta thu được 130, 140, 210, 345, 184, 225, 150, 190. Tính độ lệch mẫu đã hiệu chỉnh S

Mickey needs to cut pieces of ribbon that are each 1 meter long tie onto balloons. if he has 8 pieces of ribbon that are each 1 dekameter long. how many 1 meter pieces of ribbon can he cut

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Use the method of cylindrical shells to find the volume v generated by rotating the region bounded by the curves about the given axis.y = 7ex, y = 7e^-x, x = 1; about the y-axis