Need help ill give brainlest HURRY

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

20 ! jason orders a data set from least to greatest. complete the sentence by selecting the correct word from each drop-down menu. the middle value of the data set is a measure and is called the part a: center b: spread part b: mean a: mean absolute deviation b: median c: range

The blue segment below is a diameter of o. what is the length of the radius of the circle?