Please help I have like 1000000000 more questions after this I hate math. PLEASE HELP (I'll give you I promise)

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

What is the x-intercept and y-intercept of the equation 2x+1. 2o

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?