10 points and brainliest to correct answer plz

Is δ pmr similar to δ smn ? if so, which postulate or theorem proves these two triangles are similar?

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth

Solve the equation.then check your solution 8=1.88+a