Which expression is equivalent to 7c +4 + 10c – 6?

What kind of bond pays interest which is exempt from tax?

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 given system of equations. 2y= -x+9 , 3x-6= -15