What is the area of this figure?

28 yd²

40 yd²

52 yd²

64 yd²

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

What are the solutions to the equation 4x2+3x=24-x

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!