Aset of data already has the values 11, 14, 23, and 16. what value would have to be added to the set for the mean of the five numbers to be 18?

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

What is the base of 1/9 to the power of 2

Joey is asked to name a quadrilateral that is also a rhombus and has 2 pairs of parallel sides. should be his answer