Why does the government need to collect taxes apex?

The graph shows a student’s data from an investigation about plant growth in five plants of the same type.

Which of the following correctly describes a repurchase agreement? the sale of a security with a commitment to repurchase the same security at a specified future date and a designated price. the sale of a security with a commitment to repurchase the same security at a future date left unspecified, at a designated price. the purchase of a security with a commitment to purchase more of the same security at a specified future date.

According to "the experts: does the patent system encourage innovation? " what is a key problem with companies pursuing patents specifically to hinder, or prevent, competition?