H(t)=(t+3)^2+5 What is the average rate of change of h over the interval -5

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Which fraction is equal to 1hole and 2/5? a.3/5 b.75 c.57 d.73

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.