1.The coordinates of the vertices of the triangle ABC are: A(5,4),B(-1,5),and C(2,1). 1A. Prove ABC is isosceles. 2B. State the coordinates of point D such that quadrilateral ABCD is a square. 3C. Prove that your quadrilateral ABCD is a square.

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers

The box plots show the distributions of the numbers of words per line in an essay printed in two different fonts.which measure of center would be best to compare the data sets? the median is the best measure because both distributions are left-skewed.the mean is the best measure because both distributions are left-skewed.the median is the best measure because both distributions are symmetric.the mean is the best measure because both distributions are symmetric