120 students have maths or science next lesson. there are 12 more boys than girls altogether. the ratio maths: science =2: 3 half as many girls have maths as have science. a student is chosen at random. what is the probability that it is a boy who has maths?

Someone answer this asap for the length, in feet, of a rectangular rug is represented by the expression 5x² + 2x. the width, in feet, is represented by the expression 3x². which expression represents the perimeter, in feet, of the rug? a. 8x² + 2x b. 8x² + 4x c. 16x² + 2x d. 16x² + 4x