( x + B ) J = R, Solve for B

Find the third,fifth and seventh term sequence described by each rule a(n)=n+1

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180