You are solving the system 10x + 15y = 20 and 5x + 6y = 8.5. After you multiply the second equation by a scalar of -2, which resulting equation is left to solve? Pls if you don't mind pls solve It my hard hurts.(it Algebra

Which best describes the construction of a triangle if given the segment lengths of 2 cm, 3 cm, and 5 cm? a) unique triangle b) cannot be determined c) triangle not possible d) more than one triangle

Abdul is making a map of his neighborhood he knows the following information: his home, the middle school, and high school are all on the same street. his home, the elementry school, and his friends house are on the same street. the angle between the elementary school, middle school, and his home is congruent to the angle between his friends house, the high school, and his home. what theorem can abdul use to determine the two triangles are similar? a- side side side similarity theoremb- angle angle similarity theoremc- corresponding parts of similar triangles are congruentd- pieces of right triangles similarity theorem

Find the distance between the pair of points a(-1,8) and b(-8,4)