Atriangle with vertices (2, 9), (5, 1), and (1, 4) is dilated by a scale factor of 4. which matrix expression represents the transformation?

Describe the possible echelon forms of the standard matrix for a linear transformation t where t: set of real numbers is onto.

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b.the means of the data sets are within 3 units from eachother. c.the data sets have the same standard deviation. d.the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7