Tìm m
để đồ thị hàm số
3
y x m x = + + + ( 2) 1
cắt đường thẳng
y = − 2x 1
tại một điểm duy nhất và
thỏa mãn hoành độ dương.

which of the following sets of data would produce the largest value for an independent-measures t statistic? the two sample means are 10 and 20 with variances of 20 and 25 the two sample means are 10 and 20 with variances of 120 and 125 the two sample means are 10 and 12 with sample variances of 20 and 25 the two sample means are 10 and 12 with variances of 120 and 125

Im literally having a mental breakdown

How do i put 3(x+7) in distributive property