Mark is a coin collector. At the first store he went to, he bought 3 sets of 4 coins. At the second store, he bought 5 sets of 3 coins. He then decided to sell 5 coins. He totaled his number of coins, and then gave his brother 8 coins. How many coins does he have left?

What is the result of adding the system of equations? 2x+y=4 3x-y=6

Which statements describe the solutions to the inequality x< -20 check all that apply. there are infinite solutions. each solution is negative. each solution is positive. the solutions are both positive and negative. the solutions contain only integer values. the solutions contain rational number values.

Which of the following statements is a true conclusion that can be made from the scaled bargraph?