Can someone answer 8-10

True or false? a circle could be circumscribed about the quadrilateral below.

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

The party planning committee has to determine the number of tables needed for an upcoming event. if a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.