The slope of the line passing through (-9,-6) and (-15,y) is 2/3. what is the value of y

In trapezoid abcd, ac is a diagonal and ∠abc≅∠acd. find ac if the lengths of the bases bc and ad are 12m and 27m respectively.

Benefit(s) from large economies of scale, in which the costs of goods decrease as output increases. natural monopolles perfect competition

Determine which of the four levels of measurement (nominal, ordinal, interval, ratio) is most appropriate. monthly temperatures: 63 degrees upper f comma 67 degrees upper f comma 71 degrees upper f comma 75 degrees upper f comma and 79 degrees upper fmonthly temperatures: 63° f, 67° f, 71° f, 75° f, and 79° f