7. Which of the following is a linear inequality in two variables?
А. За - 4b = 5
C. 3x < 21
B. 7x + 3 < 12
D. 11 + 3t 2s

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Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

Anormally distributed data set has a mean of 176.3 and a standard deviation of 4.2. what is the approximate z-score for the data value of 167.9? 2.00 −2.00 8.4 −8.4

If chord ab is congruent to chord cd, then what must be true about ef and eg?