You and your brother each sell lemonade. you spend $35 on supplies and plan to charge $1.50$ per cup. your brother spends $20 on supplies and plans to charge $1 per cup. how many cups of lemonade will each of you have to sell to earn the same amount of money?

Angle xyz is formed by segments xy and yz on the coordinate grid below: a coordinate plane is shown. angle xyz has endpoints at 3 comma negative 1 and 6 negative 2 and 3 comma negative 3 and measures 36.87 degrees. angle xyz is rotated 270 degrees counterclockwise about the origin to form angle x′y′z′. which statement shows the measure of angle x′y′z′?