There are 32 pupils in Mr Patel’s class. There are 18 girls and 14 boys. All the pupils took a Maths test. The mean score for the girls was 79%. The mean score for the boys was 83%. Work out the mean score for the whole class.

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab

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

How does the graph of y = 3x compare to the graph of y = 3-x?