Which inequality's graph will have a dashed boundary line

Hiroki wrote a number that is the opposite of -3. what number did hiroki write? a. ⅓ b. 3 c. 0 d. -3

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20