Divide. Write the answer in simplest form 2 1/2 ÷ 8

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

Aplot of land has been surveyed for a new housing development with borders ab, bc, dc, and da. the plot of land is a right trapezoid with a height of 60 feet and an opposite leg length of 65 feet

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?