By what percent will the product of two numbers decrease if one of them is increased by 20% and the other is decreased by 20%?

HELP ME PLEASE I HAVE A HOMEWORK ASSIGNMENT DUE

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

Which table shows a proportional relationship between miles traveled and gas used?

Which statements about the system are true? check all that apply. y =1/3 x – 4 3y – x = –7 the system has one solution. the system consists of parallel lines. both lines have the same slope. both lines have the same y–intercept. the equations represent the same line. the lines intersect.