Solve the system analytically.
5x + 5y - 10z = 7
– X- y + 2z = 2
4x + y-z=7

The given dot plot represents the average daily temperatures, in degrees fahrenheit, recorded in a town during the first 15 days of september. if the dot plot is converted to a box plot, the first quartile would be drawn at __ , and the third quartile would be drawn at link to the chart is here

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.

1: 4 if the wew 35 surfboards at the beach how many were short boards?