There are two angles that form a straight line together. Angle D holds 7Y - 18 degrees, and angle F holds 2Y.
What is the actual amount of degrees each angle holds?

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

Divide the following fractions 3/4 ÷ 2/3 1/2 8/9 9/8 2

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