The number y of new vocabulary words that you learn after x weeks is represented by the equation y=15x

How can the correlation in the scatter plot graph below best be described? positive correlation negative correlation both positive and negative no correlation

Kendra had twice as much money as kareem. kendra later spent $8 and kareem earned $6. by then, the two had the same amount of money. how much money did each have originally?

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?