Deposit mean add 50, then withdraw means taking out 20, you do subtraction: $50-$20=$30
Answer:
A function is a type of <em><u>vertical line </u></em><em><u>test.</u></em>
Answer:

Step-by-step explanation:
Since we know that the line starts at (0,0), it goes up by 2 and goes 0.5 to the left. I hope this was helpful & if it is correct.
Answer:
4
Step-by-step explanation: