Halla el valor de la expresión: {(8'4 4?) - 25)​

What is 32+4 x (16 x 1/2) -2 show your work}

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?