F=ln(x^2y + 4) thỏa mãn hàm ràng buộc sau 5x + 3y =3

The two-way frequency table below shows data on playing a sport and playing a musical instrument for students in a class.

The length of triangle base is 26. a line, which is parallel to the base divides the triangle into two equal area parts. find the length of the segment between triangle legs.

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out