Can someone tell my why these triangles are similar

If you apply the below transformations to the square root parent function, f(x) = vx, what is the equation of the new function? • shift 12 units right. • shift seven units down.

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second

Astocks price gained 3% in april and 5% in may and then lost 4% in june and 1% in july during which month did the stocks price change the most