The completion times for a certain marathon race was 2.3 hours with a standard deviation of 0.8 hours. What can you determine about these data by using Chebyshey's Inequality with K = 2?

As soon as look at the parallelogram abcd shown below: the table below shows the steps to prove that if the quadrilateral abcd is a parallelogram, then its opposite sides are congruent: which choice completes the missing information for reason 5 in the chart? (6 points) congruent parallelograms congruent triangles similar angles similar triangles

Y=4x^2+x-1 solve using quadratic formula

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.