Which of these shows the result of using the first equations to substitute or y in the seconds equations then combining like term? y=3x2x+3y=55a.5x=55b.9×=55c.11×=55d .5y=55

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