When i was 2 years old my sister was half in my age now i am 100 years old then how old is my sister?

Which statement explains how you could use coordinate geometry to prove that quadrilateral abcd is a parallelogram? -5 -4 -3 -2 -1 t 1 2 3 4 prove that all sides are congruent and have slopes that are opposite reciprocals prove that segments ad and ab are congruent and parallel prove that opposite sides are congruent and have equal slopes prove that segments bc and cd are congruent and parallel

Write each fraction as an equivalent fraction with a denominator of 120then write the original fractions in order from samllest to largest

How many credit hours will a student have to take for the two tuition costs to be equal? round the answer to the nearest tenth of an hour.