The ratio of mass to volume is represented by grams over milliliter

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Which statement describes surface features called maria on the moon

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827