Asection in a stained glass window is shaped like a trapezoid. the top base is 1 centimeter and the bottom base is 3.5 centimeters long. if the area of the section of glass is 8.1 square centimeters, how tall is the section?

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

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

Somone me i want to know what 18 hours out of 24 hours in a fraction