212x−34(2x+5)=38 which one a) x=−4/ 5/8 b) x=−3/ 3/8 c) x=4/ 1/8 d) x=5/ 3/8

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

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Solve the system of equations y= 3/2 - 1, -x+ y =-3