How many triangles can be constructed with sides measuring 7 cm 6cm and 9 cm​

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

Tommy buys a sweater that is on sale for 40% off the original price. the expression p -0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater. if the original price of the sweater is 50, what is the sale price?

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?