PLEASE HELPP MAKING BRAINLIEST IF CORRECT

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

How do you find the circumfrance of a circle?