The mean speed of a sample of vehicles along a stretch of highway is 67 milesper hour, with a standard deviation of 4 miles. Estimate the percent of vehicles whose speed are between 63 miles per hour abd 71 miles per hour

In triangles abc and wxy, a=w and b=x which of the following must be true to prove abc=wxy by the aas theorem? a.ab=bc b.bc=xy c.ab=wx d.

What is the area of the triangle 10 13 12

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?