Select the best answer for the question. 11. Solve the system of equations 2x + 3y = 40 and -2x + 2y = 20. A. X = -10, y = 20 B. X = 2. y = 12 © C. x = -6, y = 4 O D. X = 10, y = 20

The curved part of the figure is the semicircle what is the best approximation for the area of this figure

Point q is located at (−4,6). point r is located at (8, 6). what is the distance from point q to point r?

22 points algebra 1//sum and product of rational and irrational numbers. dont have to do all 4 if could much : )) write an example: 1) how the product of two identical irrational numbers can be a rational number. 2) how the product of two different irrational numbers can be a rational number. 3) write a quotient of intergers that is not a real number. 4) is the set of positive irrational numbers closed for the operation of division? if not give a counter example.