Find the slope of all the lines and answer the question below: 1. Are the lines in each graph perpendicular? Explain
your reasoning.
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Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

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